Biogas Production from Anaerobic Digestion of Manure Waste: Moroccan Case. Global Journal of Science Frontier Research, [S. l.], v. 13, n. 6, p. 1–3, 2013. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/103149. Acesso em: 26 oct. 2026.