Leuangtakoun, Somsavath, 		Hong, Bui, 		Van Loat, Bui, AND 		Cuong, Phan.
" Determination of Natural Radioactivity  in Soil Samples around Gold Mining Area in Khamkeut District, Bolikhamxay Province,Laos Using Gamma Ray Spectrometer with NaI (Tl) Detector" <em>VNU Journal of Science: Mathematics - Physics</em> [Online], Volume 34 Number 3 (5 September 2018)