Guo, Bingyou, Xuanyuan Liu, and Dongyang Xu. “Optimizing Sustainable Tourism: A Multi-Objective Approach”. Scientific Journal of Intelligent Systems Research 7, no. 6 (June 30, 2025): 24–30. Accessed July 8, 2026. https://bcpublication.org/index.php/SJISR/article/view/8749.