Ghaffar, Soeltan Abdul, and Wilbert Clarence Setiawan. “Exploring Thematic Travel Preferences of Global Cities through Agglomerative Hierarchical Clustering for Enhanced Travel Recommendations”. International Journal for Applied Information Management 5, no. 4 (November 21, 2025): 155–167. Accessed December 16, 2025. https://www.ijaim.net.103-247-8-47.cpanel.site/journal/index.php/ijaim/article/view/111.