Pemurnian Bioetanol Limbah Kulit Nanas Menggunakan Alat Distilasi Sederhana Model Kolom Refluks. Jurnal Zarah, [S. l.], v. 7, n. 1, p. 22–28, 2019. DOI: 10.31629/zarah.v7i1.1173. Disponível em: https://ojs.umrah.ac.id/index.php/zarah/article/view/1173. Acesso em: 5 sep. 2025.