Gurmessa, K., T. Tolemariam, A. Tolera, and F. Beyene. “Feed Resources and Livestock Production Situation in the Highland and Mid Altitude Areas of Horro and a Guduru Uduru Districts of O Oromia Regional State, Western Ethiopia”. Science, Technology and Arts Research Journal, vol. 4, no. 3, Sept. 2015, pp. 111-6, https://journals.wgu.edu.et/index.php/star/article/view/253.