K, Ali K.; B , Ibraheem D. Radiological hazard Assessment Due to Natural Occurring Radioactive Materials (NORM) in Oil and Gas Production Industry –East Baghdad Oil Field . Iraqi Journal of Science, [S. l.], v. 58, n. 1A, p. 115–126, 2022. Disponível em: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/6211.. Acesso em: 8 dec. 2025.