CHARACTERIZATION OF RADIOACTIVITY FROM PRIMORDIAL RADIONUCLIDES IN THE SOIL OF IKA SOUTH LOCAL GOVERNMENT AREA OF DELTA STATE. FJS [Internet]. 2022 May 18 [cited 2025 Sep. 12];6(2):180-4. Available from: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/913