Assessment of Livestock Production System and Feed Resources Availability at Melka Watershed of Nile Basin, Jeldu District, Western Ethiopia. Global Journal of Science Frontier Research, [S. l.], v. 15, n. D9, p. 7–20, 2016. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/1686. Acesso em: 14 aug. 2026.