KAPOFI, N. T.; OYEDELE, J. A. .; SHIMBOYO, S. A.; TAAPOPI, E.; UISEB, G. Radionuclide concentrations and radiation hazard assessment in the soil of Otjiwarongo, Namibia. International Science and Technology Journal of Namibia, [S. l.], v. 15, p. 26–36, 2022. Disponível em: https://journals.unam.edu.na/index.php/ISTJN/article/view/1645. Acesso em: 20 apr. 2024.