Nouadjep, Narcisse Serge, Evariste B. Gueguim Kana, Emmanuel Nso, and Cesar Kapseu. 2019. “Status Quo of Biodiesel Production in Africa: A Review on Technological Options, Policies and Aboriginal Feedstock Potential”. American Scientific Research Journal for Engineering, Technology, and Sciences 60 (1):93-132. https://www.asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/5255.