“Study of Lung Cancer Hazard Due to Radiate Radon Gas for Two Factories in Industrial Region (Shaikh Omar) of Baghdad Governorate”. Ibn AL-Haitham Journal For Pure and Applied Sciences 33, no. 4 (October 20, 2020): 27–33. Accessed May 5, 2024. https://jih.uobaghdad.edu.iq/index.php/j/article/view/2522.