sasen, Chailai, Suriyan Somsri, Surasit Phopha, and Anuwat Saenpong. “Study of the temperature to render fat down affecting the biodiesel yield from cow fat by the transesterification reaction method”. Indochina Applied Science 12, no. 2 (May 1, 2023): 249955. accessed April 25, 2025. https://ph01.tci-thaijo.org/index.php/jmsae_ceae/article/view/249955.