H. H. Duc, P. V. Cuong, B. V. Loat, L. T. Anh, N. D. Minh, and L. H. Khiem, “Correlation Between \(^{137}\text{Cs}\) and \(^{40}\text{K}\) Concentration in Soil and Tea Tree in Luong My Farm, Hoa Binh Province, Vietnam”, Comm. Phys., vol. 29, no. 4, p. 527, Dec. 2019.