Nigusu, Kifle, and Tsegaw Fentie. “Prevalence and Causes of Selected Respiratory Infections in Indigenous Gumuz Sheep in Metema District, Northwest Ethiopia”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 5, no. 1 (May 14, 2012): 14–20. Accessed July 23, 2024. https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/1292.