Elmzainy, Ahmed, Areej Hazawi, and Salah Basil. “Determination of Attenuation Properties for Gamma Rays of Some Commercial Materials Used Radiation Shielding”. Journal of Humanitarian and Applied Sciences 7, no. 13 (November 25, 2023): 484–492. Accessed July 3, 2024. https://khsj.elmergib.edu.ly/index.php/jhas/article/view/263.