A . Al–Sawaf, H., هیفاء, A. Jassim, K., خالد, H. Al- Mashhadani, Y., & یاسر. (2025). Radon and Radium Determination in Coffee Using CR-39 Nuclear Track Detector. Rafidain Journal of Science, 20(1), 105–108. https://doi.org/10.33899/rjs.2009.41332