1. Shibambu, C., J. Gumbo and W. Gitari, 2017. Field study on heavy metal removal in a natural wetland receiving municipal sewage discharge. Int. J. Sustain. Dev. Plann., 12: 1-10.
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2. Ngulube, T., J.R. Gumbo, V. Masindi and A. Maity, 2017. An update on synthetic dyes adsorption onto clay based minerals: A state-of-art review. J. Environ. Manage., 191: 35-57.
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3. Izuagie, A.A., W.M. Gitari and J.R. Gumbo, 2017. Effects of calcination temperature and solution pH on the defluoridation potential of Al/Fe oxide-modified diatomaceous earth: Metal leaching and sorbent reuse. Water Sci. Technol.: Water Supply, 17: 688-697.
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4. Gumbo, J.R. and C.N. Nesamvuni, 2017. A review: Spirulina a source of bioactive compounds and nutrition. J. Chem. Pharmaceut. Sci., 10: 1317-1325.
5. Gitari, W.M., A.A. Izuagie and J.R. Gumbo, 2017. Synthesis, characterization and batch assessment of groundwater fluoride removal capacity of trimetal Mg/Ce/Mn oxide-modified diatomaceous earth. Arabian J. Chem., (In Press). 10.1016/j.arabjc.2017.01.002.
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6. Bulled, N., K. Poppe, K. Ramatsisti, L. Sitsula and G. Winegar et al., 2017. Assessing the environmental context of hand washing among school children in Limpopo, South Africa. Water Int., 42: 568-584.
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7. Izuagie, A.A., W.M. Gitari and J.R. Gumbo, 2016. Synthesis and performance evaluation of Al/Fe oxide coated diatomaceous earth in groundwater defluoridation: Towards fluorosis mitigation. J. Environ. Sci. Health Part A, 51: 810-824.
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8. Izuagie, A.A., W.M. Gitari and J.R. Gumbo, 2016. Defluoridation of groundwater using diatomaceous earth: Optimization of adsorption conditions, kinetics and leached metals risk assessment. Desalin. Water Treat., 57: 16745-16757.
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9. Gumbo, J.R., R.A. Dzaga and N.S. Nethengwe, 2016. Impact on water quality of nandoni water reservoir downstream of municipal sewage plants in Vhembe district, South Africa. Sustainability, Vol. 8, No. 7. 10.3390/su8070597.
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10. Rananga, H.T. and J.R. Gumbo, 2015. Willingness to pay for water services in two communities of Mutale local municipality, South Africa: A case study. J. Hum. Ecol., 49: 231-243.
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11. Gitari, W.M., T. Ngulube, V. Masindi and J.R. Gumbo, 2015. Defluoridation of groundwater using Fe³⁺-modified bentonite clay: Optimization of adsorption conditions. Desalin. Water Treat., 53: 1578-1590.
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12. Shamuyarira, K.K. and J.R. Gumbo, 2014. Assessment of heavy metals in municipal sewage sludge: A case study of Limpopo province, South Africa. Int. J. Environ. Res. Public Health, 11: 2569-2579.
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13. Mulaudzi, D.A. and J.R. Gumbo, 2014. The reduction of microcystin congeners in raw water source with the use of ceramic water filters. Transdisciplin. e-J., 1: 77-105.
14. Gumbo, J.R., T.E. Cloete, G.J.J. van Zyl and J.E.M. Sommerville, 2014. The viability assessment of Microcystis aeruginosa cells after co-culturing with Bacillus mycoides B16 using flow cytometry. Phys. Chem. Earth Parts A/B/C, 72: 24-33.
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15. Chigayo, K., P.E.L. Mojapelo, P. Bessong and J.R. Gumbo, 2014. The preliminary assessment of anti-microbial activity of HPLC separated components of Kirkia wilmsii. Afr. J. Tradit. Complement. Altern. Med., 11: 275-281.
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16. Sibiya, J.E. and J.R. Gumbo, 2013. Knowledge, Attitude and Practices (KAP) survey on water, sanitation and hygiene in selected schools in Vhembe district, Limpopo, South Africa. Int. J. Environ. Res. Public Health, 10: 2282-2295.
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17. Nelushi, K., J.R. Gumbo and F.A. Dacosta, 2013. An investigation of the bioaccumulation of chromium and uranium metals by Cynodon dactylon: A case study of abandoned New Union Gold Mine Tailings, Limpopo, South Africa. Afr. J. Biotechnol., 12: 6517-6525.
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18. Pindihama, G.K., J.R. Gumbo and P.J. Oberholster, 2011. Evaluation of a low cost technology to manage algal toxins in rural water supplies. Afr. J. Biotechnol., 10: 19883-19889.
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19. Makhera, M., J.R. Gumbo and K. Chigayo, 2011. Monitoring of microcystin-LR in Luvuvhu River catchment: Implications for human health. Afr. J. Biotechnol., 10: 405-412.
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20. Gumbo, J.R. and T.E. Cloete, 2011. The mechanism of Microcystis aeruginosa death upon exposure to Bacillus mycoides. Phys. Chem. Earth Parts A/B/C, 36: 881-886.
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21. Gumbo, J.R. and T.E. Cloete, 2011. Light and electron microscope assessment of the lytic activity of Bacillus on Microcystis aeruginosa. Afr. J. Biotechnol., 10: 8054-8063.
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22. Gumbo, J.R., G. Ross and T.E. Cloete, 2010. The isolation and identification of predatory bacteria from a Microcystis algal bloom. Afr. J. Biotechnol., 9: 663-671.
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23. Gumbo, J.R., E.M. Malaka, J.O. Odiyo and L. Nare, 2010. The health implications of wastewater reuse in vegetable irrigation: A case study from Malamulele, South Africa. Int. J. Environ. Health Res., 20: 201-211.
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24. Gumbo, R.J., G. Ross and E.T. Cloete, 2008. Biological control of Microcystis dominated harmful algal blooms. Afr. J. Biotechnol., 7: 4765-4773.
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25. Nyazema, N.Z., P. Rabvukwa, J. Gumbo, P. Ndudzo and C. Chitemerere, 1999. Bioavailability of rifampicin in a separate formulation and fixed dose combination with isoniazid NIH: A case for a Fixed Dose Combination (FDC) for the treatment of tuberculosis. Cent. Afr. J. Med., 45: 141-144.
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