Satriana, Satriana, dan Muhammad Dani Supardan. “Kinetic Study of Esterification of Free Fatty Acid in Low Grade Crude Palm Oil Using Sulfuric Acid” 8, no. 1 (Desember 31, 2008): 1-8. Diakses Juni 8, 2025. https://journal.ugm.ac.id/v3/AJChE/article/view/7691.