Perbandingan Karakteristik Biodiesel Berbahan Baku Minyak Jelantah Hasil Proses Transesterifikasi Berkatalis NaOH, CaO Superbasa, dan Zeolit. Journal of Chemical Process Engineering, [S. l.], v. 4, n. 1, p. 1–6, 2019. DOI: 10.33536/jcpe.v4i1.831. Disponível em: https://jurnal.fti.umi.ac.id/index.php/JCPE/article/view/831. Acesso em: 15 aug. 2025.