USMAN, Yusuf Tanko; JIBRIN, A. Y.; ISHAQ, Y.; BELLO, S.; YAHAYA, M. A. ASSESSMENT OF NATURAL IONIZING RADIATION IN TWO TERTIARY INSTITUTIONS OF NIGER STATE. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 5, n. 4, p. 161–188, 2022. DOI: 10.33003/fjs-2021-0504-800. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/800. Acesso em: 29 oct. 2025.