Measurement of radon gas concentration in water and soil samples in AL-Najaf governorate by using nuclear track detector (CR-39). Baghdad Science Journal, Iraq, Baghdad, v. 12, n. 3, p. 603–610, 2015. DOI: 10.21123/bsj.2015.12.3.603-610. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2106.. Acesso em: 1 may. 2024.