Nguyen , T. T. N., Le , N. S., Nguyen , D. T., Nguyen , V. P., Tran , D. K., Vuong, T. T. H., & Nguyen , T. N. (2021). Activity of radioactive isotopes in the offshore seawater at vicinity areas of Phu Quy, Phu Quoc and Bach Long Vy islands. Nuclear Science and Technology, 11(3), 19-26.