Radon concentration measurements in sludge of oil fields in North Oil Company (N.O.C.) of Iraq. Iraqi Journal of Physics, [S. l.], v. 13, n. 26, p. 139–145, 2019. DOI: 10.30723/ijp.v13i26.294. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/294.. Acesso em: 28 apr. 2024.