Degefu, Hailu, Cherenet Abera, Moti Yohannes, and Tadele Tolosa. 2011. “Gastrointestinal Helminth Infections in Small-Scale Dairy Cattle Farms of Jimma Town, Ethiopia”. Ethiopian Journal of Applied Science and Technology 2 (1), 31-37. https://ejhs.ju.edu.et/index.php/ejast/article/view/821.