Rozitawati, M. et al. 2025. Optimization of Biodiesel Synthesis from Kapok Seed Oil (Ceiba pentandra) through Transesterification Reaction with a TiO2 Catalyst. Jurnal Pijar Mipa. 20, 7 (Dec. 2025), 1328–1334. DOI:https://doi.org/10.29303/jpm.v20i7.10514.