Mulatu, M., D. Diba, H. Yusuf, and G. Duguma. “Characterization of Livestock Production Systems at Sasiga and Guto Gidda Districts of East Wallaga Zone, Oromia, Ethiopia”. Science, Technology and Arts Research Journal, vol. 10, no. 4, Dec. 2021, pp. 1-15, doi:10.20372/star.v10i4.01.