RILWAN, U.; UMAR, I.; NGARI, A. Z.; ABDULLAHI, H. A.; ABOH, H. O. Radiometric Evaluation Naturally Occurring Radionuclides in Some Ongoing Drilled Boreholes across Keffi Town of Nasarawa State, Nigeria. International Astronomy and Astrophysics Research Journal, [S. l.], v. 1, n. 1, p. 58–66, 2020. DOI: 10.9734/iaarj/2019/v1i18. Disponível em: http://www.journaliaarj.com/index.php/IAARJ/article/view/8. Acesso em: 3 sep. 2026.