Ravikumar, R., K. Kiran, Gurumoorthy S. Hebbar, H. Naresh, and Sajna P. Panigrahi. “An Overview of Nano-Catalysts in Biodiesel Production”. Journal of Mines, Metals and Fuels 70, no. 8A (December 8, 2022): 8–15. Accessed May 17, 2024. http://www.informaticsjournals.com/index.php/jmmf/article/view/31998.