Mohammed, Sarwa A. “Calculation of Radon Gas Concentration in the Buildings of College of Women Education - Tikrit University Using the Nuclear Track Detector CR-39”. Journal for Research in Applied Sciences and Biotechnology 2, no. 1 (March 9, 2023): 215–219. Accessed December 22, 2024. https://jrasb.com/index.php/jrasb/article/view/159.