Tran, K., Cao, T., Dang, P., Truong, L. and Mai, N. 2017. Calculation of the shielding safety of Computed Tomography scanner room by using MCNP5 code. VNUHCM Journal of Advanced Research in Natural Sciences. 1, T4 (Dec. 2017), 63-70. DOI:https://doi.org/https://doi.org/10.32508/stdjns.v1iT4.476.