Hung, Tran Van. “Effective Doses for External Exposure from the Photon Radiation Field of Soil Contamination”. VNUHCM Journal of Advanced Research in Natural Sciences 2, no. 1 (January 6, 2019): 84-90. Accessed April 7, 2026. https://arns.vnuhcmjournal.com.vn/index.php/arns/article/view/679.