NGARI, Adamu Z.; JOB, Oyono S.; KANUS, James H.; ABEL, Andrew; AHMED, Haruna S. Assessment of Radon - 222 Activity Concentration and Associated Effective Doses in Groundwater Sources in BIU, Borno State, Nigeria. FUDMA Journal of Sciences, [S. l.], v. 10, n. 19, p. 69–74, 2026. DOI: 10.33003/fjs-2026-1019-6162. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/6162. Acesso em: 5 oct. 2026.