C. N. Luu, B. T. Nguyen, T. H. Doan Thi, V. C. Nguyen, and H. A. Vuong, “A study on waterproof capabilities of the bentonite-containing engineered barrier used in near surface disposal for radioactive waste”, Nucl. Sci. and Tech., vol. 7, no. 1, pp. 37-42, Mar. 2017.