[1]
M. Rahmayanti, H. Hanim, and D. Nur Azizah, “Optimization of Biodiesel Production Conditions from Waste Cooking Oil using Parkia speciosa Hassk. Peel Extracts - Modified Magnetite (Fe3O4-PSH) as Catalyst”, Karya Int Jour. Biofuel and Bioener., vol. 1, no. 1, pp. 14–28, Mar. 2025.