. Đức T. Nguyễn, V. D. Mai, V. T. Vu, T. T. Khuong, D. V. Cao, and T. H. Nguyen, “Study on design, construction and testing of cosmic-ray soil moisture observing system in Vietnam”, Nucl. Sci. and Tech., vol. 12, no. 3, pp. 21-33, Jan. 2024.