MAHDI, K.H.; AHMED, Z.S.; MKHAIBER, A.F. Calculation and Study of Gamma ray Attenuation Coefficients for Different Composites. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 25, n. 3, p. 133–141, 2017. Disponível em: https://www.jih.uobaghdad.edu.iq/index.php/j/article/view/576. Acesso em: 1 may. 2025.