Evaluation of natural radioactivity for building materials samples used in Tall Al Ubaid Archaeologist in Dhi-Qar governorate - Iraq. Samarra Journal of Pure and Applied Science, [S. l.], v. 2, n. 1, p. 53–66, 2020. Disponível em: https://sjpas.com/index.php/sjpas/article/view/14. Acesso em: 18 apr. 2026.