A. NAJIM, L.; M. HASSAN, I. Studying the Linear and the Mass Attenuation Coefficient of Gamma Rays for Certain Building Materials used in Iraq. Rafidain Journal of Science, [S. l.], v. 25, n. 5, p. 75–85, 2014. DOI: 10.33899/rjs.2014.131370. Disponível em: https://ojs.uomosul.edu.iq/index.php/rsci/article/view/47700. Acesso em: 15 sep. 2025.