AbbaL., NasiruR., GarbaN.N. and AhmedY.A. 2020. ASSESSMENT OF ANNUAL EFFECTIVE DOSE DUE TO INHALATION AND INGESTION OF RADON IN WATER SAMPLES FROM THE CEMENT INDUSTRIAL AREA OF SOKOTO, NORTH-WESTERN NIGERIA. FUDMA JOURNAL OF SCIENCES. 4, 2 (Jul. 2020), 615 - 619. DOI:https://doi.org/10.33003/fjs-2020-0402-172.