A . Al–Sawaf H, A. Jassim K, H. Al- Mashhadani Y. Radon and Radium Determination in Coffee Using CR-39 Nuclear Track Detector. RSCI [Internet]. 2009 Jan. 1 [cited 2025 Sep. 28];20(1):105-8. Available from: https://jamh.uomosul.edu.iq/index.php/rsci/article/view/46980