Roces, Susan A, Raymond Tan, Francisco Jose T De Cruz, Shuren C Gong, and Rison K Veracruz. 2011. “Methanolysis of Jatropha Oil Using Conventional Heating”. ASEAN Journal of Chemical Engineering 11 (1), 41-46. https://dev.journal.ugm.ac.id/v3/AJChE/article/view/8085.