Le Khanh Phon, L.K., Huong, P.T., Pieczonka, J., piestrzynski, A., Chau, N.D., Bich, V.V., Nhien, T.T., Son, N.T. and Duyen, N.T.T. 2017. The increase of radiation doses due to exploration activities in Yen Phu rare earth deposit, Yen Bai province, Northern Vietnam. Vietnam Journal of Marine Science and Technology. 17, 4B (Dec. 2017), 130–137. DOI:https://doi.org/10.15625/1859-3097/17/4B/12735.