YAHYA , . . PENGARUH FERMENTASI LIMBAH RUMEN SAPI DAN RAGI TERHADAP PERFORMA KOMPOR BIOGAS. Lingkar: Journal of Environmental Engineering, [S. l.], v. 3, n. 1, p. 57–72, 2022. DOI: 10.22373/ljee.v3i1.1927. Disponível em: https://journal.ar-raniry.ac.id/lingkar/article/view/1927. Acesso em: 20 sep. 2024.