Akpolile, Anita F., et al. “ESTIMATION OF ENTRANCE SKIN DOSE IN ANALOGUE X-RAY FACILITIES OF SOUTHERN DELTA STATE, NIGERIA: A MATHEMATICAL APPROACH TO RADIOLOGICAL PROTECTION”. FUDMA JOURNAL OF SCIENCES, vol. 10, no. 3, Feb. 2026, pp. 58-63, https://doi.org/10.33003/fjs-2026-1003-4574.