OKORO, Fidelis T.; EKANEM, Aniekan M.; NATHANIEL, Ekong U.; NDOMA, Emmanuel G. Radiological assessment of 40K, 238U and 232Th from soil and groundwater in Port Harcourt Metropolis, Rivers State, Nigeria. Researchers Journal of Science and Technology, [S. l.], v. 5, n. 6, p. 64–77, 2025. Disponível em: https://rejost.com.ng/index.php/home/article/view/216. Acesso em: 3 oct. 2025.