Sakhi, Fillah M., Aman Santoso, and Sumari Sumari. 2025. “Optimization of Palm Bunch Ash-Based Catalysts for the Transesterification of Waste Cooking Oil into Biodiesel”. Jurnal Akademika Kimia 14 (1). Palu, Sulawesi Tengah - INDONESIA:40-50. https://doi.org/10.22487/j24775185.2025.v14.i1.pp40-50.