Dang Hoang Tuan, Le Manh Tuong, Dinh Dang Quang, Le Hoai Linh, and Le Phi Vu, “Enhance the Quality of the Management System for BOT road Transport Investment Project in Viet Nam ”, Int J Sci Res Civil Engg, vol. 5, no. 5, pp. 144–155, Oct. 2021, doi: 10.32628/IJSRCE.