SAEED, A. Y., and K. S. IBRAHIM. “Detection of Enterohemorrhagic Escherichia Coli O157 in Sheep and Goats Using Fluorogenic and Chromogenic Culture Media”. Science Journal of University of Zakho, vol. 1, no. 1, June 2013, pp. 115-9, https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/53.