V. K. Muneer, and K. P. Mohamed Basheer. “The Evolution of Travel Recommender Systems: A Comprehensive Review”. Malaya Journal of Matematik 8, no. 04 (January 1, 2020): 1777–1785. Accessed November 25, 2024. https://www.malayajournal.org/index.php/mjm/article/view/1748.