Trinh, V., Truong, L. and Mai, N. (2013) “Assessing an accuracy of vgspec program through ability of calculating peak area, automatically finding the peak, identifying isotopes and determining radioactivity for cylindrical and marinelli sources”, VNUHCM Journal of Science and Technology Development, 16(3), pp. 83-92. doi: https://doi.org/10.32508/stdj.v16i3.1641.