Abid AboJassim, Ali, and Ahmed Rahim Shitake. 2014. “Estimated the Mean of Annual Effective Dose of Radon Gases for Drinking Water in Some Locations at Al-Najaf City”. Journal of Kufa-Physics 5 (2). https://journal.uokufa.edu.iq/index.php/jkp/article/view/7495.