Jarallah NT, Taki AK, Hayder LM, Noori RE. Measurement of The Specific Activity For Beryllium-7 Isotope in Soil of Baghdad City Using Gamma Ray Spectrometry. IHJPAS. 2017;27(3):191-200. Accessed March 28, 2025. https://jih.uobaghdad.edu.iq/index.php/j/article/view/280