AMSALU, A. Natural Resource Management Options for Sustainable Farming in Highland Ethiopia. Ethiopian Journal of the Social Sciences and Humanities, [S. l.], v. 2, n. 1, p. 97–106, 2005. DOI: 10.4314/ejossah.v2i1.29859. Disponível em: https://www.ajol.info/index.php/ejossah/article/view/29859. Acesso em: 29 aug. 2026.