OBIOHA, Fidelis I; OKONKWO, Paul O. BACKGROUND GAMMA RADIATION LEVELS IN THE NIGERIAN ENVIRONMENT. West African Journal of Radiology, [S. l.], v. 8, n. 1, p. 16–19, 2025. DOI: 10.82235/wajr.vol8no1.119. Disponível em: https://wajr.org/index.php/home/article/view/119. Acesso em: 4 feb. 2026.