غياث محمد عمر. 2007. “Isolation And Identification Of Some Enterobacterial Species From Children With Diarrhoea In Mosul And Studying Their Ability To Produce Protease Enzyme”. College of Basic Education Research Journal 5 (3):165-79. https://stats.uomosul.edu.iq/index.php/berj/article/view/39231.