K. L. Pham, H. Q. Nguyen, D. H. Pham, X. A. Do, D. T. Duong, and Q. T. Doan, “The ability to use FLEXPART in simulation of the long-range radioactive materials dispersed from nuclear power plants near Vietnam border”, Nucl. Sci. and Tech., vol. 6, no. 4, pp. 40-48, Dec. 2016.