Kakkar, Alisha, and Sudesh Kumar. “Heteropolyacid and Lithium Infused Calcium Oxide Catalyst for Biodiesel Production from Food Waste”. Asian Journal of Chemistry 36, no. 10 (September 30, 2024): 2318–2328. Accessed December 31, 2024. https://asianpubs.org/index.php/ajchem/article/view/36_10_13.