Usman Rufai Fakai, Adamu Zubairu Utono, and Muhammad Nuraddeen Bui. “Evaluating Biodiesel Properties from Waste Cooking Oil for Sustainable Energy Applications”. Journal of Energy Engineering and Thermodynamics 4, no. 6 (October 18, 2024): 1–8. Accessed April 1, 2026. https://hmjournals.com/ijaap/index.php/JEET/article/view/4965.