Influence of Iron and Brass Filling Replacement on the Efficiency of Concrete as Radiation Shield. Iraqi Journal of Applied Physics, [S. l.], v. 22, n. 3, p. 447–452, 2026. DOI: 10.2025/1v8s5758. Disponível em: https://ijap-iq.com/index.php/ijap/article/view/562. Acesso em: 30 jun. 2026.