Fitria, Anissa, Wega Trisunaryanti, Triyono, and Iman Santoso. “Synthesis, Characterization and Performance of Ni/mesoporous Silica - NH\(_2\)/mesoporous Silica and Ni-NH\(_2\)/Mesoporous Silica As Bifunctional Catalyst in One Step Conversion of Waste Palm Oil to Biodiesel”. Communications in Science and Technology 9, no. 2 (December 31, 2024): 430-441. Accessed January 17, 2025. https://cst.kipmi.or.id/journal/article/view/1483.