Khamael Raqim Raheem, Israa Hadi Ali. “Survey: Recommender Systems, Techniques and New Trends”. International Journal of Advanced Science and Technology 29, no. 04 (June 6, 2020): 5535 - 5545. Accessed May 6, 2024. http://sersc.org/journals/index.php/IJAST/article/view/26006.