ÇELİK, Özgür Y., and B. A. ÇELİK. “Investigation of the Prevalence of Fasciola Hepatica in Small Ruminants in the Siirt Region, Turkey”. Iranian Journal of Parasitology, Vol. 13, no. 4, Dec. 2018, pp. 627-31, http://ijpa.tums.ac.ir/index.php/ijpa/article/view/2324.