Sameer, Ahmed Salih, and Akram Mohammed Ali. “Gamma-Ray Shielding Effectiveness of Clay and Boron Doped Clay Material at Different Thicknesses”. Iraqi Journal of Science 63, no. 5 (May 25, 2022): 1961–1970. Accessed December 7, 2025. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/3209.