Vesin, B., Klašnja-Milićević, A., Ivanović, M., & Budimac, Z. (2013). Applying Recommender Systems and Adaptive Hypermedia for e-Learning Personalizatio. COMPUTING AND INFORMATICS, 32(3), 629–659. Retrieved from https://www.cai.sk/ojs/index.php/cai/article/view/1736