1. Research Paper Recommender System Evaluation: A Quantitative Literature Survey;Beel,2013
2. Drachsler, H. Recommender Systems and Learning Analytics in TEL. (2011).
3. Recommender system application developments: A survey;Lu;Decis. Support Syst.,2015
4. Collaborative filtering adapted to recommender systems of e-learning;Bobadilla;Knowledge-Based Syst.,2009
5. Hybrid- ε -greedy for Mobile Context-aware Recommender System;Bouneffouf;Adv. Knowl. Discov. Data Min.,2011