[1]
Xayheungsy, S., Thanh, N.C., Nam, L.D., Giang, V.H. and Khiem, L.H. 2018. MEASUREMENT OF NATURAL RADIOACTIVITY IN SOME SAND AND BRICK IN VIETIANE PROVINCE, LAO PDR. IJRDO-Journal of Applied Science. 4, 11 (Nov. 2018), 11-19. DOI:https://doi.org/10.53555/as.v4i11.2533.