EVALUATION OF X-RAY RADIATION SHIELDING OF CONCRETE WITH TWO POLYMERIC ADDITIVES. Journal of Engineering and Sustainable Development, [S. l.], v. 23, n. 6, p. 101–108, 2019. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/185.. Acesso em: 8 may. 2024.