Umukoro, Edafewhuotu, David-Onah I. Serian, Olusuyi T. Olukemisola, Igberaese E. Simon, and Peter Okoedion. “Conversion of Cow Dung, Sewage and Agricultural Waste As Source of Renewable Energy for Electricity and Heat Generation, A Review”. Nigerian Journal of Physics 35, no. S (September 9, 2026): 103–108. Accessed September 2, 2026. https://njp.nipngr.org/index.php/njp/article/view/718.