1.
Khalid A, Lundqvist K, Yates A. Recommender Systems for MOOCs: A Systematic Literature Survey (January 1, 2012 – July 12, 2019). IRRODL [Internet]. 2020 Jun. 19 [cited 2024 Mar. 29];21(4):255-91. Available from: https://www.irrodl.org/index.php/irrodl/article/view/4643