Tran, T. L. et al. (2025) “Permeability calculation based on grain size analysis for hydrogeological geotechnical investigation of Van Cao - Hoa Lac metro line”, Journal of Water Resources & Environmental Engineering, (97), pp. 91–96. Available at: https://dev.vojs.vn/index.php/jwree/article/view/20 (Accessed: 16 March 2026).