Ouadoud, M. et al. 2018. LeaderTICE: A Platforms Recommendation System Based on a Comparative and Evaluative Study of Free E-learning Platforms. International Journal of Online and Biomedical Engineering (iJOE). 14, 01 (Jan. 2018), pp. 132–161. DOI:https://doi.org/10.3991/ijoe.v14i01.7865.