Hope Anita, S., Anita Franklin, A., O.E Omamoke, E., & Godwin Kparobo, A. (2026). NATURAL RADIOACTIVITY AND CANCER RISK ASSESSMENT OF BUILDING MATERIALS IN NORTHERN DELTA STATE, NIGERIA. GPH-International Journal of Applied Science, 9(7), 39-49. https://doi.org/10.5281/zenodo.22506751