Aravindh N, Raja S, Rajasimman M, and Vijayakumar B. 2025. “Synthesis and Characterization of Heterogeneous Nano-Catalyst for the Production of Biodiesel from Pongamia Pinnata Oil”. Science & Technology Asia 30 (4):347-56. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/256033.