MUTURI , S. M; ONGUSO , J. M.; NJOGU , P. M.; NJERU , L. K.; MAKONDE , H. Opportunities and Barriers for the Development of Biogas Technologies in Kenya . African Journal of Education,Science and Technology (AJEST), [S. l.], v. 1, n. 3, p. pp 182–187, 2013. Disponível em: http://ajest.org/index.php/ajest/article/view/355. Acesso em: 3 apr. 2026.