MANTA, Faisal; ARTIKA, Kurnia Dwi; SUANGGANA, Doddy; TONDOK, Putra Dilto. ANALISIS CAMPURAN SUBSTRAT KOTORAN SAPI DAN LIMBAH ORGANIK PASAR TERHADAP PRODUKTIVITAS BIOGAS. ELEMEN : JURNAL TEKNIK MESIN, [S. l.], v. 9, n. 1, p. 31–39, 2022. DOI: 10.34128/je.v9i1.192. Disponível em: https://je.politala.ac.id/index.php/JE/article/view/192. Acesso em: 8 jul. 2025.