M. YOUSUF, R. Measurement of Natural Radioactivity in some Marble Samples used as Building Materials. Rafidain Journal of Science, [S. l.], v. 19, n. 2, p. 134–143, 2025. DOI: 10.33899/rjs.2008.42343. Disponível em: https://ojs.uomosul.edu.iq/index.php/rsci/article/view/12680. Acesso em: 5 aug. 2025.