I., Yerima; NGULDE, Y.M.; MUSTAPHA, Abubakar; NGALA, A.L. The Influence of Proximate Composition of Cow Dung on the Rate and Volume of Biogas Generation in Maiduguri, North Eastern Nigeria. International Journal of Environment, Agriculture and Biotechnology, [S. l.], v. 4, n. 1, 2019. Disponível em: https://journal-repository.com/index.php/ijeab/article/view/790.. Acesso em: 18 apr. 2025.