K. Mahdi, Z. Ahmed, and A. Mkhaiber, “Calculation and Study of Gamma ray Attenuation Coefficients for Different Composites”, IHJPAS, vol. 25, no. 3, pp. 133–141, May 2017, Accessed: Mar. 14, 2025. [Online]. Available: https://jih.uobaghdad.edu.iq/index.php/j/article/view/576