George, Diamond, Margaret Apaemi Briggs-Kamara, and Chinoye Amakiri Raymond. 2026. “Assessment of Excess Lifetime Cancer Risk from Indoor Radon Exposure in Obio-Akpor Local Government Area, Rivers State, Nigeria”. Nigerian Journal of Physics 35 (4): 59-65. https://doi.org/10.62292/njp.v35i4.2026.610.