OMAR MOHAMMED HASSAN; HAMID SALMAN KHAMIS. Biogas production from sewage sludge by anaerobic digestion. Tikrit Journal of Pure Science, [S. l.], v. 20, n. 1, p. 27–32, 2023. DOI: 10.25130/tjps.v20i1.1131. Disponível em: https://tjps.tu.edu.iq/index.php/tjps/article/view/1131. Acesso em: 18 may. 2024.