Outcomes

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Open Access
3D Cranial Morphometry, Sensory Ecology and Climate Change in African Rodents
(2019-05-15) Nengovhela, Aluwani; Taylor,, Peter; Braga, Jose
The order Rodentia is the most speciose group of mammals with muroids being the most diverse superfamily. Since they are represented in arboreal, semiaquatic, subterranean and terrestrial niches, rodents may exhibit morphological traits reflecting their adaptations to such diverse environments. This thesis focuses on the morphology of the endocranium, auditory bulla and cochlea in three tribes (Otomyini, Taterillini and Gerbillini) representing 10 species of African rodents, concentrating on their variability, function and adaptability, using micro-CT imaging and 3D shape comparative methods. Additionally, variations in cranial size were also studied in respective of global warming and climatic variables. Morphological changes/variations are a result of environmental change, therefore each chapter in this study details the effect of environmental change (in space and time) on different morphological traits i.e. general cranial size (chapter 2), cochlea and auditory bulla (chapter 3) and endocranial size and shape (chapter 4). With chapter 2 dealing specifically with climate change in its strict sense and the remaining two chapters looking at different environmental gradients. Chapter 2 tests the applicability of the “third universal response to warming” (i.e. declining body size) and the Resource Rule in two murid subfamilies, Murinae and Gerbillinae. The study shows that the third response is not as universal as only one species conformed to this response. Further, food availability (Resource Rule) was shown to be the more important factor correlated with body size variations in rodent species than Bergmann’s Rule. Chapter 3 looks at the auditory bulla and cochlea, the morphological traits that play a role in hearing capabilities of rodents. I found, with some exceptions, that bulla and cochlea modifications between species could be explained by environment, phylogeny and/or allometry. In addition, I concluded that true desert adapted laminate-toothed rats and gerbils use both bulla and associated cochlea hypertrophy. Chapter 4 shows larger brain size in Taterillini and two species of Otomyini, with life histories and environment being the most probably factors responsible for xiv this. Using a novel method of diffeomorphism (deformation models), there was more variation in endocranial morphology between the gerbils and laminate-toothed rats than within them with olfactory bulb, paraflocculi, and posterior ventral cortex showing the most variability. Overall, this thesis shows that variations in the morphological traits studied are strongly influenced by the environment and function.
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A communal holistic therapeutic approach for psychosocial health management among Southern African indigenous communities
(2024-09-06) Mahlatsi, Khauhelo Success; Pienaar, A. J.; Mulaudzi, M. T.; Malwela, T.
Background: Mental health remains on the backseat of the global healthcare system. With more than a third of people suffering from mental health having no access to mental health services. Consequently, this research realizes that communality and Ubuntu are considered the epitomes of living systems in African indigenous communities. Therefore, the aim was to develop, confirm, and validate a Middle-range Theory of psychosocial health management among indigenous Southern African communities. Methods: An explorative sequential mixed methods design was conducted. For the qualitative strand (Phase One), a qualitative approach was used where classical Grounded Theory was employed as a design. Makgotla were used as data collection method, and theoretical sampling was used for participant selection. In Phase Two, a qualitative approach followed where a critical, integrative literature review was conducted. Purposive sampling was employed for the literature collection. Finally, for the quantitative strand, a quantitative approach was used where content validity index (CVI), content validity ratio (CVR), and Kappa statistic were used to confirm and validate the emerging theory. Purposive sampling was used, where experts were selected for the confirmation and validation of the emerging theory. Findings: This research presents an emerging Middle-range theory referred to as the ‘Inclusive Holistic Communal Psychosocial Health Management Approach.’ This approach is informed by the shared cultural belief system, co-living system, and communal therapeutic techniques. Fundamental to the emerging Middle-range theory are the five cultural axioms found in this research to be of evidential value to culturally congruent and needs-aligned psychosocial health management. Embedded in the belief that life is a holistic-circlic continuous process independent of living, wherein the point of equilibrium (good health) is the sense of balance between life and living. Furthermore, it has been found that the emerging Middle-range theory expressed through the 40-item instrument is content valid and comprehensive as all the items were found to be relevant and acceptable with I-CVI values greater than 0.79 and Kappa values above 0.74.
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A Criminological Inquiry into Bad Policing and Student Violent Protest: Insight from the University of Venda
(2024-09-06) Nemurangoni, Gundo Chadley; Olofinbiyi, Sogo Angel
Understanding student violent protests poses a significant challenge. Central to this concern is the perplexing question: "Why do students persist in resorting to violence during protests, risking arrest, injury, or even death?" Despite advancements in comprehending the evolutionary and proximate mechanisms underlying protests, there remains a notable scarcity of insight into the factors precipitating violence during such actions. One often-overlooked factor is ‘bad policing’ during protest events, which can serve as a catalyst for violence. The right to protest is a dynamic avenue for individuals to voice their concerns on pressing issues and ensure that decision-makers heed their grievances. Section 17 of the Constitution of South Africa (1996) enshrines the legal right of all individuals to engage in peaceful and unarmed protests, encompassing non-violent demonstrations that may not be regarded as highly disruptive. The research examined the relationship between poor policing practices and student violent protests at the University of Venda. Utilizing a mixed-method approach, data collection involved administering 200 questionnaires to UNIVEN students through a simple random sampling. Complementarily, SAPS POP officers from the Thohoyandou precinct were purposively selected for participation. Focus group discussions (FGDs) were conducted across four police stations, each comprising five members, including Thohoyandou, Mutale, Levubu, and Vuwani police stations, totaling 20 police officers for the qualitative aspect of the study. Quantitative data analysis was performed using Statistical Package for Social Science version 24 (SPSS), while qualitative data underwent thematic content analysis. The study fosters a balanced and just environment between police officers and protesters, thereby promoting a more stable, peaceful, and orderly university community. Key findings indicate significant relationships between police response attitudes and student violent protests, as well as between bad policing practices and such protests. Moreover, student attitudes toward police intervention during protests, the impact of student violent protests on the university's operational plans, and students' academic progress were also explored with more effective recommendations for improvement.
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A framework fo the application of the Fourth Industrial Revolution in improving the service quality of tertiary institutions in South Africa
(2024-09-06) Patala, Najiyabanu Noormohmed; Kadyamatimba, A.; Munyoka, W.
With the capability of re-shaping the global economy, 4IR necessitates countries to keep up with technological innovations that require most sectors within a country to be restructured drastically. Tertiary institutions are therefore required to transform the delivery of higher education services to the next generation with a seamless combination of skills and knowledge set. Thus, quality measures must be redefined in the context of 4IR. However, very few studies have attempted to define and measure quality from a 4IR perspective and lack frameworks addressing 4IR-based quality improvement solutions. This study investigated how 4IR can be applied within the context of tertiary institutions for improving service quality following a positivist paradigm. A quantitative research design was adopted to obtain an understanding of the 4IR stances and quantitative data was collected through questionnaires to gain an idea of the student and staff members' perceptions of 4IR service quality. The participants were sampled from the University of Venda’s population of students and staff. A quantitative method for data analysis was employed through statistical analysis using SPSS software. The findings of the study identified challenges that inhibits and benefits that could promote a 4IR-based quality of service environment. The study found that 4IR-based quality planning plays a significant role in quality of teaching and learning management. 4IR technologies were perceived to be useful as respondents had some form of awareness. Factors such as 4IR-based institutional responsiveness, empathy and assurance were significantly shown to measure service improvement. Based on the findings, a framework for implementing a 4IR service quality improvement in the teaching, learning, and research context was developed and validated. This study contributed to addressing how best tertiary institutions can implement 4IR by assessing their readiness levels. The Framework will assist tertiary institutions in gathering knowledge of the policies, strategies, and governance mechanisms required for supporting 4IR initiatives while providing guidance to understand quality 4.0 issues. It is recommended that tertiary institutions redesign their technological pedagogies to keep up with the demands of current educations needs and quality standards.
Open Access
A metagenomic snapshot of selected wastewater treatment plants in Vhembe Region, Limpopo, South Africa: Investigating the resistome
(2024-09-06) Jacobs, Damien; Potgieter, N.; Traore, A. N.
Background: Water is crucial for human life. Rural communities often rely on natural water sources which may become polluted by wastewater due to various activities such as domestic use and agriculture. Antibiotic resistance genes (ARGs) may be transferred from wastewater to the environment and pose a global challenge they affect both human and animal-related sectors. Studying antibiotic resistance in wastewater treatment plants within Vhembe offers a representation of antibiotic resistance genes from entire communities. Knowledge of antibiotic resistance circulating in Vhembe has been sparsely studied. Metagenomics approaches allow for a broad overview of the resistome and the bacterial communities within environmental samples. Aim: To perform wastewater surveillance of antibiotic resistance genes and associated bacteria within Vhembe, Limpopo, South Africa, using a metagenomics approach. Method: A total of 32 sample duplicates were collected from the influents (n=18) and the effluents (n = 14) from nine wastewater treatment plants (WWTPs) around the Vhembe region, Limpopo, South Africa. One hundred milliliter was filtered using sterile cotton gauze and Wattman filter paper to remove debris and membrane filtered through 0.22um membrane filters to capture the bacteria within each sample. DNA was extracted directly from the 0.22 μm filters using a DNA miniprep kit. DNA was quantified using a spectrophotometer. Shotgun 18 metagenomic sequencing was performed on DNA extracts. Open-source bioinformatics pipelines were used to process and analyze raw sequence data, uncovering information of the bacterial community composition and associated ARGs in wastewater. Results: Site observations reveal animal and human activities within and near the sites. ARG analysis revealed an overall number 0f 220 ARGs detected across the WWTPs. Thirty-six genes were common to influent samples and 16 in within effluent samples, encoding predominantly against macrolides, sulfonamides and tetracyclines, beta-lactamases, and aminoglycosides. Some unique ARGS were detected at sites near South African borders. Bacterial Diversity showed the predominance of some genera, such as Arcobacter, Aeromonas, Pseudomonas and Acinetobacter. Pathogens were predominantly enteric and pulmonary, with some being linked to animals in past studies. A notable increase in some members of Mycobactericeae, among other bacteria, was noted in effluents.
Embargo
A support framework of enhancing business performance of ruaral SMME's in the Limpopo Province, South Africa
(2024-09-06) Razwiedani, Khathutshelo Collins; Chiliya, Norman; Nkondo, Livhuwani G.
South Africa's aspiration for inclusive growth and development acknowledges the pivotal role of small, medium, and micro enterprises (SMMEs) given the country's pervasive unemployment and poverty rates, particularly in rural regions. Since the inception of democracy in 1994 with the Reconstruction and Development Programme (RDP) to the present National Development Plan: Vision 2030, the focal point of South Africa's developmental endeavours has been the alleviation of poverty and inequality. This study aimed to devise a support framework to enhance the performance of SMMEs in the rural expanse of Limpopo Province, South Africa, while also fostering entrepreneurship expansion. Its primary objectives encompassed identifying the determinants affecting rural SMME performance, crafting a conceptual framework to bolster it, utilizing empirical research outcomes to formulate recommendations, and drawing conclusions to augment SMMEs' performance in Limpopo. Additionally, the study proffered actionable insights for stakeholders, including policymakers and entrepreneurs, to ensure the sustained viability of SMMEs in rural South Africa. Employing a quantitative research design aligned with the educational positivist paradigm, the study collected data from 377 entrepreneurs through questionnaires. A Convenience Sampling method was employed. Validity and reliability were ensured through exploratory factor analysis and Cronbach alpha coefficients determination. Pearson's correlation coefficient tests were employed to discern relationships among independent variables. The resultant path model addressed prevalent challenges confronting rural small businesses, proposing a roadmap for enhancing their operational performance.
Open Access
AB INITIO and DFT computational study of Myristinin A and A structurally- related molecule
(2019-09-20) Tshilande, Neani; Mammino, Liliana; Ghio, Caterina
The computational study of biologically active molecules is particularly important for drug development because it provides crucial information about the properties of a molecule, which determine its biological activities. The current work considers the results of a computational study of myristinin A and a structurally-related molecule (2-(4-hydroxyphenyl)-4-[2,4,6-trihydroxy-3-(9tetradecenoyl)phenyl]-3,4-dihydro-2H-benzopyran-7-ol, here denoted as DBPO). The two compounds pertain to the class of acylphloroglucinols. They were firstly isolated from Horsfieldia amygdaline, and they exhibit a variety of biological activities, including potent anti-inflammatory activity, potent DNA-damaging activity and DNA-polymerase ß inhibition. Their molecular structures differ only by the acyl chain. Both molecules have a bulky substituent meta to the acyl group consisting of a ring system (2-(4-hydroxyphenyl)-3,4-dihydro-2H-chromen-7-ol). The DBPO molecule can exist as cis and trans isomers in relation to the double bond present in the R chain, and both isomers are here investigated individually. The OHs ortho to the acyl group can form an intramolecular hydrogen bond (referred to as the first IHB) with the sp2 O atom of the acyl group. The phenol OHs neighbouring the substituent ring system can form O–Hπ interaction with the aromatic rings of the substituent, if suitable oriented. This study focuses on the identification of the stable conformers of these molecules (considering all the possible geometries obtainable by rotations about relevant single bonds), and of the factors stabilising the conformers. Full-optimisation calculations were performed in vacuo and also in three conveniently selected solvents. The results show that the dominant stabilising factors are the first IHB and the O–Hπ interactions. Other factors which have significant influence on conformational preferences are the orientation of the ring systems of the substituent, the orientation of the OHs on substituent, the mutual orientation of the OHs of the phloroglucinol moiety and also the orientation of the acyl chain. The results in solution are consistent with the findings of other acylphloroglucinols, for instance, the narrowing of the energy gaps and the increase of the dipole moment with the increase of solvent polarity.
Open Access
Academic anxiety among students in the School of Health Sciences at the University of Venda, South Africa: associated factors and effect
(2016-05) Adediran, Olawumi Adedeji; Takalani, J. F.; Sikhwari, T. D.; Mashamba, T.
See the attached abstract below
Open Access
Access and constraints to commuting in Gauteng Province, South Africa
(2016-05) Chakwizira, James; Bikam, Peter; Adeboyejo, Aina Thompson
See the attached abstract below
Open Access
Access barriers to Campus Health Services among University of Venda students
(2017-05-18) Olumide, Oladimeji Sanyaolu; Kyei, K. A.; Mabunda, J. T.
South African youth, like many young people the world over, experience obstacles related to accessing age-specific health care services. School-based health centres, therefore, represent a mode of delivery of youth-friendly services tailored to meeting the healthcare needs of young people, such as university students. The aim of the study was to investigate the barriers faced by University of Venda (UNIVEN) students in accessing the institution’s health services.The objectives of the study were to assess the level of awareness of the respondents regarding the UNIVEN campus health services and to determine the availability and acceptability barriers experienced by students in accessing the campus health services.The study is quantitative using a self-administered questionnaire, informed by literature review, to collect data from the respondents. The study population consisted of all the students who were resident on campus. The sample size were five hundred and thirty four (534) respondents drawn from all the residences on the university campus and comprising of students from all the schools and levels. Questionnaires were administered face-to-face to respondents in the respondents’ rooms. The validity and reliability of the study were ensured. Ethical considerations, such as informed consent, right to privacy, and no-harm to participants, were observed and addressed in this study. Data was entered and analysed using Statistical Package for Social Sciences 23. For continuous variables such as age, descriptive variable was calculated. For categorical variables, frequencies and percentages are presented.The results indicated that the average age of the study population was 21.85 years with almost all of the respondents (95%) being aware of the existence of a health clinic on the Univen campus. However, only 63% had gone for consultation at the clinic. Awareness of the clinic’s services appears to be poor, with HIV Counselling & Testing being the most known service, while minor illnesses’ management was the most utilised service (48%). Barriers experienced by the respondents were related to waiting times and opening hours of the clinic, with only 33% and 39% respectively, describing them as ideal.The study provides evidence that although university health services may be provided at no cost students still experience barriers in accessing them. Effective measures are needed to increase students’ awareness of the clinic’s services and to shorten waiting times and improve clinic opening hours.
Open Access
The accessibilty to English as the Second Language of learning and teaching in selected Public Primary schools of Vhembe District
(2017-08-18) Madima, Shumani Eric; Phaswana, N. E.; Klu, E. K.
See the attached abstract below
Open Access
Activity patterns, species composition and dietary analysis of bats on two macadamia farms in Levubu, South Africa
(2017-09-18) Mphethe, Vusani; Taylor, P. J.; Steyn, J. N.; Schoeman, M. C.
See the attached abstract below
Open Access
Adaptation strategies for climate change-induced household food and nutrition insecurity in smallholder maize farming within Thulamela Local Municipality, South Africa
(2017-09-18) Mahlawule, Khanyisa Dorris; Francis, J.; Manjoro, D.
See the attached abstract below
Embargo
Adaptive Strategies to Mitigate Water Scarcity Among Smallholder Cattle Farmers in Vulnerable Areas of the Greater Tzaneen Local Municipality
(2024-09-06) Mahlo, Dollen; Manjoro, M.; Oloo, G. B.; Mkhwanazi, M. V.
The rapid increase in demand for livestock and livestock products, driven by factors such as population growth, urbanization, and rising incomes, is projected to escalate significantly by 2050. The estimates indicate the utilization of over 60 billion livestock for meat, egg, and dairy production. This surge in demand poses substantial challenges, particularly in the context of climate change impacts on water resources. Smallholder livestock farmers, who are integral to meeting this demand, are disproportionately affected by climate change-induced water scarcity. Despite their significant contribution to the agricultural Gross Domestic Product (GDP), these farmers face daily depletion of water reserves, indicating severe water scarcity. Climate variability further exacerbates this situation, with animal water consumption expected to triple. This study aimed to examine the adaptive strategies employed by smallholder livestock farmers in vulnerable areas of the Greater Tzaneen Local Municipality to mitigate water scarcity. A convergent parallel mixed methods design was utilized, wherein both quantitative and qualitative data were collected and analyzed concurrently. Purposive sampling was used to select participants, primarily through face-to-face interviews. Secondary data was obtained from literature, journal manuscripts, policy documents, and municipal reports. Quantitative data were analyzed using the Statistical Package for Social Sciences (SPSS) version 27, while thematic content analysis was performed using Atlas.ti version 8. The findings revealed several adaptive strategies employed by farmers to address water scarcity, including changes in water sources and collaborations with government agencies such as the Department of Water and Sanitation. Challenges such as cattle mortality due to water scarcity were also identified, highlighting the need for additional adaptive measures to ensure sustainable cattle farming. The study underscores the necessity of enhancing adaptive strategies to mitigate the adverse effects of water scarcity on smallholder livestock farming in the context of increasing climate variability.
Open Access
Adherence of antiretroviral therapy and mental health of HIV-diagnosed patients in Vhembe District, Limpopo Province
(2019-09-20) Manenzhe, Tovhowani; Maphula, A.; Bessong, P. O.
Background: Given that there is 57.7 million HIV-diagnosed people living in South Africa and the government has established the largest public antiretroviral programme in the whole world but only 53% are adhering. Adherence remains a challenge, due to presence of mental health issues among HIV diagnosed. Aim: The aim of this study was to investigate adherence to antiretroviral therapy and mental health of HIV-diagnosed patients in Vhembe District, Limpopo Province. Methods: This was a mixed method study using a combination of quantitative and qualitative research approaches. In the quantitative approach, triangulation was utilised in the form of a questionnaire and patients records. Simple random sampling was used to select 134, descriptive analysis using SPSS version 25. For the qualitative approach, a phenomenological research designs was considered and convenience sampling was used to select fifteen participants (15). Data was collected using semi-structured interview; responses were analysed using a computer-aided program called, ATLAS ti. Results: The self-report of adherence was 94.8 %, objectively 39.6% of CD4 count <200c/mm3 at baseline and 34.3% CD4 count after six months was found. 16.5% of females and 2% of males defaulted treatment and 14.9% of missed medical appointments 1-6 times. This study also revealed the mental health issues that HIV-diagnosed patients are struggling with after the diagnosis include the stages of grief, stress, depression, anxiety, mistrust, shame, stigma and discrimination. Recommendation: Effective strategies need to be enhanced and tailor made in effort to encourage patients to take ART diligently. The healthcare providers, community members and the government should be made aware of mental health issues.
Open Access
Adherence: Perceptions and behaviour of patients on Antiretroviral in Vhembe District of Limpopo Province, South Africa
(2019-09-20) Takalani, Tanganedzani; Maphula, A.; Mashamba, T.; Bessong, Pascal O.
Background: An estimated 70% of people in Sub-Saharan Africa out of 25 million are living with HIV. HIV is a debilitating disease, however, antiretroviral treatment helps promote effective viral suppression, reduces the risk of transmission and prevents death (WHO, 2013). To ensure positive treatment outcomes, high levels of Anti-Retroviral Therapy (ART) adherence, 95%, is necessary, however, research indicates that 23% of Africans are achieving less than 80% adherence, potentially impacting negatively on prognosis. Aim: The aim of this study was to determine adherence, explore perceptions and behaviour of patients on Antiretroviral Therapy attending Thohoyandou Health Centre, in Vhembe District, Limpopo, South Africa. Methodology: This was a mixed method which employed both quantitative and qualitative research approaches. In quantitative, triangulation was utilised through a questionnaire and patients’ file, simple random sampling was used to select 105 male and female patients aged 18-60 who are on ART at Thohoyandou Health Centre; data were collected and SPSSversion 25 was used to analyse the data through descriptive, cross tabulation and inferential statistics using Chi-square.Qualitative phase – phenomelogical research design was utilised, twenty participants were purposively sampled and individually interviewed, ATLAS. ti program was used to analyse the data collected. Results: 67% of respondents were females, 34% of the respondents’ age range was 50-60 years, 44.8% were single, 48.6% had tertiary education and 69.5% were unemployed. The self-report of ART adherence of 87.6% among patients was indicated, with 19.6% who reported defaulting ART, 14.3% admitted to missing medical appointments. The reasons for missing medical appointments were: forgetfulness, not a convenient time, patient feeling better, transportation challenges and being too sick to attend. The objective evaluation of patients’ CD4 count at baseline revealed that 40.9% of patients had a CD4 count of <200c/mm3, out of 40.9% respondents (15.2%) were those aged between 41-50 years, 31.4% of respondents did not know their CD4 count for various reasons (defaulted on treatment, missed appointments). CD4 count follow-up data after six months revealed that 33% of patients had a CD4 count <200c/mm3 and 39% accounted for unknown CD4 count. vi Three themes emerged from the data, namely: Knowledge of HIV were respondents presented a negaitive and positive perception of ths diagnosis; barriers to ART adherence where sub-themes included discrimination, strigma, rejection, inadequate knowledge about the diagnosis and treatment, side effects; coping strategies where acceptance, religion and social support serve as corner stones for patients. Association was examined and findings did not reveal any significant association between gender, marital status, education, occupation; however, age was significantly associated with non-adherence to ART with X2 = 3.69, df = 1, p = < .002. Recommendations: The study recommends intensification of health education campaign against stigma, discrimination, rejection and other barriers to enhance positive attitude towards HIV patients that wil consequently stimulate adherence and alleviate the burden associated with taking treatment unswervingly. Given the high percentage of infected older respondents, government must also focus its resources to educate illiterate and older people about HIV, adherence and management in order to achieve the golden standardrate of 95% adherence. Strategies to facilitate and normalise adherence among males is indicated.
Open Access
Administrattion of school fund by the school management team in the secondary schools in Mvudi Circuit of the Vhembe District
(2015-01-22) Nyathela, Azwinndini Gilbert; Ravhudzulo, M. A.
Open Access
The admission and enrolment of foreign legal practitioners in SACU countries as an international trade services issue
(2022-11-10) Mambure, Yolanda Nyasha; Ndlovu, Lonias; Van Der Walt, Tharien
When WTO members make GATS commitments, it is imperative to do follow-up studies to establish how each member adheres to her international obligations and the laws they profess to uphold. To this end, the dissertation calibrated each SACU country's GATS commitments in the background of the laws underpinning those commitments as a way to see if they uphold international ratifications. Data were collected from information available in the public domain and published online. The study established that legal services are the most restricted in all SACU countries except Lesotho. For example, foreign legal practitioners are not admitted or enrolled in the Republic of South Africa and Namibia unless they become ordinary residents or citizens. In BOLESWA countries, namely Botswana, Lesotho and Eswatini, law graduates from sister universities are given preferential treatment. Graduates with qualifications from outside BOLESWA, irrespective of nationality, must sit for local Bar examinations and satisfy some local laws. For these reasons, the measures put in place are viewed as a wanton infringement of each respective country's constitution and the key tenets of GATS. Using Lesotho, one of the SACU members who has completely liberalised legal services, as a model, the study, through recommendations, demonstrates how these countries could best comply with the GATS to enhance regional integration, cooperation, and development.
Open Access
Adoption of survival strategies by agro-small and medium enterprises in the challenging rural environment in Zimbabwe
(2014-12-11) Shoko, Dumisani; Oloo, D.; Francis, J.
Open Access
Adsorption of oxyanions of As, B, Cr, Mo and Se from coal fly ash leachates using A1/Fe modified bentonite clay
(2014-01-10) Masindi, Vhahangwele; Gitari, Wilson Mugera; Tutu, Hlanganani