Fathi, Najlaa, and نجلاء. “Study the Ability of Some Gram Positive Bacillus Species Isolated from Powdered Infant Milk to Produce Toxin”. Journal of Education and Science (JES) 27, no. 4 (December 28, 2018): 99–114. Accessed August 4, 2025. https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17803.