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 February 2, 2026. https://ijaim.net/journal/index.php/ijaim/article/view/111.