Takele, Bewketu, and Ayalew Sisay. “Prevalence of Gastrointestinal Helminths on Equines in and Around Debre Markos, Ethiopia”. Scientific Journal of Veterinary Advances 5, no. 11 (November 20, 2016): 134-144. Accessed April 16, 2021. http://sjournals.com/index.php/sjva/article/view/243.