Elswayeb ZM, Elsaghaier OE. Using the experimental method for the computation of the efficiency in various measurement geometries for a reference point source geometry with NaI(Tl) Detectors. edu [Internet]. 2016 Sep. 1 [cited 2026 Nov. 6];3(02):3-13. Available from: https://journals.misuratau.edu.ly/edu/ojs/index.php/eduction/article/view/522