Calculation and Study of Gamma ray Attenuation Coefficients for Different Composites. Ibn AL-Haitham Journal For Pure and Applied Sciences, [S. l.], v. 25, n. 3, p. 133–141, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/576.. Acesso em: 18 may. 2024.