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Quang Hai T, Dang Hieu T. DEVELOPING SUSTAINABLE TOURISM CRITERIA FOR SA PA, LAO CAI: AN INTEGRATED APPROACH BASED ON GLOBAL STANDARDS AND SUSTAINABLE TOURISM INDICATOR SYSTEMS. HNUE Journal of Science: Journal of Social Sciences [Internet]. 2026 Jun. 17 [cited 2026 Oct. 21];71(3):99-109. Available from: https://hnuejs.edu.vn/ss/article/view/1532