Okpo SO, Ibeh MC. Advances in Catalysts for Biodiesel Production: A Systematic Review of Trends, Challenges, and Future Prospects. J. Sustain. Eng. Renew. Energy. [Internet]. 2025 Nov. 3 [cited 2026 Apr. 28];1(2):1-15. Available from: https://journals.e-palli.com/home/index.php/jsere/article/view/5930