Akpolile, A. F.; Ukerun-Akpesiri, A. . A.; Eki, C. E.; Abdul, F. E. ESTIMATION OF ENTRANCE SKIN DOSE IN ANALOGUE X-RAY FACILITIES OF SOUTHERN DELTA STATE, NIGERIA: A MATHEMATICAL APPROACH TO RADIOLOGICAL PROTECTION. FJS 2026, 10 (3), 58-63. https://doi.org/10.33003/fjs-2026-1003-4574.