Zewdie Wondatir. “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 15, no. D9 (May 15, 2015): 7–20. Accessed May 1, 2024. https://journalofscience.org/index.php/GJSFR/article/view/1686.