AYGUN, Zeynep; AYGÜN, Murat. An Analysis on Radiation Protection Abilities of Different Colored Obsidians. International Journal of Computational and Experimental Science and Engineering, [S. l.], v. 9, n. 2, p. 170–176, 2023. Disponível em: https://ijcesen.com/index.php/ijcesen/article/view/206. Acesso em: 5 jul. 2024.