Shakir Aswood, M., & Shakir Aswood, M. (2018). Measurement of Uranium and Thorium Series in Fertilizer Samples in Iraq Using Gamma Spectrometry Technique. Al-Qadisiyah Journal of Pure Science, 20(4), 79 - 88. Retrieved from https://journalsc.qu.edu.iq/index.php/JOPS/article/view/866