Mahdi, K., Ahmed, Z., & Mkhaiber, A.
(2017).
Calculation and Study of Gamma ray Attenuation Coefficients for Different Composites.
Ibn AL- Haitham Journal For Pure And Applied Sciences, 25(3), 133-141.
Retrieved from https://jih.uobaghdad.edu.iq/index.php/j/article/view/576