Utilization of Biogas Waste (Sludge) as an Alternative to Fish Feed in Teluk Roban Sorkam Village, Central Tapanuli Regency. ABDIMAS: Jurnal Pengabdian Masyarakat, [S. l.], v. 5, n. 2, p. 2926–2932, 2022. DOI: 10.35568/abdimas.v5i2.2785. Disponível em: https://journal.umtas.ac.id/ABDIMAS/article/view/2785. Acesso em: 27 jan. 2026.