Nguyen Thi Phuong Thao, and Le Phuoc Hai Thien. “GREEN TOURISM - THE KEY TO SUSTAINABLE TOURISM DEVELOPMENT: INTERNATIONAL EXPERIENCES AND LESSONS FOR VIETNAM”. HUIT Journal of Science, vol. 25, no. S3_ICA, July 2025, pp. 117-34, doi:10.62985/j.huit_ojs.vol25.noS3_ICA.258.