SYAMSURI; YUSTIA WULANDARI MIRZAYANTI; WIWIK WIDYO WIDJAJANTI; SAMUEL KRISTIAN BANI. Pengaruh Variasi Konsentrasi NaOH sebagai Nutrisi pada Performansi Biogas Tipe Portabel. Journal of Research and Technology, [S. l.], v. 6, n. 2, p. 195–207, 2020. Disponível em: https://journal.unusida.ac.id/index.php/jrt/article/view/353. Acesso em: 9 mar. 2021.