Trịnh, Thị Thuỳ, and Quốc Khánh Trịnh. “SOLUTIONS TO IMPROVE THE EFFICIENCY OF TOURISM DEVELOPMENT IN THANH HOA PROVINCE”. Hong Duc University Journal of Science, no. 70 (September 17, 2024). Accessed March 12, 2026. https://hdujs.edu.vn/index.php/hdujs/article/view/599.