M. Yousif, Rasheed, and Khalid Ali Ismaeel. “Determination of the Optimum Thickness of Some Moderators for Fast Neutrons”. Journal of Education and Science 22, no. 3 (September 1, 2009): 115–126. Accessed September 8, 2025. https://ojs.uomosul.edu.iq/index.php/edusj/article/view/42331.