ADAMU, A.; HASSAN, M.; JERE, S.; HASHIMU, M. Quantification and Evaluation of Radon-222 in Groundwater of Flood-Affected Areas in Borno State, North-Eastern Nigeria: Implications for Lung Cancer Risk. Ethiopian Journal of Science and Sustainable Development, v. 13, n. 1, p. 1-14, 30 dez. 2025.