Tran Anh, T., & Tran Thi Bich, T. (1705251600). Computation of the effective permeability of 2D doubly porous materials with elliptical shaped pores by using boundary element method. Tạp Chí Khoa Học Giao Thông Vận Tải, 75(1), 1159-1168. https://doi.org/10.47869/tcsj.75.1.5