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”. Journal of Science, Technology and Arts Research, vol. 10, no. 4, Dec. 2021, pp. 1-15, doi:10.20372/star.v10i4.01.