T. Y. V. Le and T. T. Nguyen, “Financing Vietnam’s North-South High-Speed Railway: A Comparative Analysis of International Models and a Proposed Framework”, Tạp chí Khoa học Công nghệ Giao Thông Vận Tải, vol. 15, no. 3, pp. 62–78, May 2026, doi: 10.55228/JTST150306.