Assessment of Natural Radioactivity Levels and Radiological Health Risks in Coastal Sediments of the Niger Delta, Nigeria: Environmental and Human Health Implications. Nigerian Journal of Theoretical and Environmental Physics, [S. l.], v. 4, n. 1, p. 35–42, 2026. DOI: 10.62292/njtep.v4i1.2026.114. Disponível em: https://njtep.nipngr.org/index.php/njtep/article/view/114. Acesso em: 6 apr. 2026.