M. HASAN ABDULLAH; WAHYU RIYANTO, O. A.; IBSW, D. P. Optimization of Esterification and Transesterification Processes for Biodiesel Production from Used Cooking Oil. Journal of Research and Technology, [S. l.], v. 7, n. 2, p. 207–216, 2021. DOI: 10.55732/jrt.v7i2.432. Disponível em: https://journal.unusida.ac.id/index.php/jrt/article/view/432. Acesso em: 5 mar. 2025.