Rasheed, Essam M., and Ammar A. AlRawi. “A Comparison Between the Measurements of Natural Radioactive Materials of Surface Soils in Anbar and Diyala”. Al-Mustansiriyah Journal of Science, vol. 32, no. 5, Dec. 2021, pp. 5-12, https://doi.org/10.23851/mjs.v32i5.1116.