Saikrajang, P.; Kaewtuptim, P.; Vangnopor, P.; Singsoupho, S.; Xayavong, V.; Sompaserth, S. Assessment of Radioactive Substance in Soil at Dien Bien Phu Fault Area, Xayaburi and Luang Prabang Provinces, The Lao People’s Democratic Republic. KKU Sci. J. 2025, 53, 1-16.