Bouihi B, Bahaj M. Ontology and Rule-Based Recommender System for E-learning Applications. Int. J. Emerg. Technol. Learn. [Internet]. 2019 Aug. 1 [cited 2024 Nov. 22];14(15):pp. 4-13. Available from: https://online-journals.org/index.php/i-jet/article/view/10566