Javed, Umair, Kamran Shaukat, Ibrahim A. Hameed, Farhat Iqbal, Talha Mahboob Alam, and Suhuai Luo. 2021. “A Review of Content-Based and Context-Based Recommendation Systems”. International Journal of Emerging Technologies in Learning (iJET) 16 (03):pp. 274-306. https://doi.org/10.3991/ijet.v16i03.18851.