Nigussie H, Mekasha Y, Abegaz S, Kebede K, Pal SK. Indigenous Sheep Production System in Eastern Ethiopia: Implications for Genetic Improvement and Sustainable Use. ASRJETS-Journal. 2015;11(1):136-152. Accessed September 14, 2025. https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/603