Sitinjak, Elvri, Justaman Karo Karo, Rycce Pratikha, Fernando Nainggolan, and Fauzatu Arabica Yatasya. “Fatty Acids Methyl Esters from Various Types of Vegetable Oils”. Jurnal Rekayasa, Teknologi Proses dan Sains Kimia (REPROKIMIA) 1, no. 1 (June 20, 2022): 8–12. Accessed October 27, 2026. http://akses.ptki.ac.id/jurnal/index.php/reprokimia/article/view/3.