STUDI PROSES PRODUKSI BIODIESEL DARI MINYAK JARAK DENGAN BANTUAN GELOMBANG SUARA. Journal of Chemical Process Engineering, [S. l.], v. 3, n. 1, p. 51–54, 2018. DOI: 10.33536/jcpe.v3i1.914. Disponível em: https://jurnal.fti.umi.ac.id/index.php/JCPE/article/view/914. Acesso em: 1 jul. 2025.