NDUBUISI-NNAJI, U.; OFON, U.; ASIRA, A.; DICKSON, N.; BENSON, E. Anaerobic digestion of untreated manure: Environmental risk assessment of resultant digestates. World Journal of Applied Science & Technology, [S. l.], v. 14, n. 1b, p. 73–79, 2023. DOI: 10.4314/wojast.v14i1b.73. Disponível em: https://www.ajol.info/index.php/wojast/article/view/249570. Acesso em: 13 oct. 2026.