Sasirin Labua, Chalermpol Sriadulphan, Sunattra Sangkong, and Napachalee Puangmalai. “Biodiesel with Decreased Viscosity Produced from Crude Palm Oil”. Agriculture and Natural Resources 42, no. 5 (December 31, 2008): 300–304. accessed October 10, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/244610.