Devansh Shah, Shikhar, Deepanshu Gupta, Vaibhav Pandilwar, Sanket Deshmukh, Dipen Saini. 2022. “Recommendation System Used in Tourism and Travel: A Review”. Design Engineering, no. 1 (February), 1781-88. http://www.thedesignengineering.com/index.php/DE/article/view/9134.