Manullang, Efrando, Sutaryo, and Endang Kusdiyantini. “ANALYSIS OF BIOMETHANE PRODUCTION POTENTIAL AND MITIGATION OF BIOMETHANE EMISSIONS FROM PIG FARMS IN NORTH SULAWESI PROVINCE”. Jurnal Bioteknologi & Biosains Indonesia (JBBI) 10, no. 2 (December 29, 2023): 279–292. Accessed February 2, 2026. https://ejournal.brin.go.id/JBBI/article/view/2803.