Gera, Pradeepini, Vishnu Bhargavi Sabbisetty, Tejaswini Devarasetty, Madhusri Nukala, and Navyasri Vittamsetty. “A Fuzzy Preference Tree-Based Recommender System for Medical Database”. International Journal of Engineering & Technology 7, no. 1.1 (December 21, 2017): 319–321. Accessed May 3, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/9712.