Aruwa Arome and Genius Walia, “Radon-222 Concentration, Exhalation Rates, And Health Risks in Okaba/Okobo Coal Mining Soils, Nigeria: Implications for Environmental Quality Management”, Int J Appl Med Health Sci, vol. 1, no. 2, pp. 58–72, Sep. 2026, Accessed: Sep. 25, 2026. Available: https://ioasdpublisher.com/ijamhs/article/view/75