Souabi, S., Retbi, A., Idrissi, M. K., & Bennani, S. (2021). Towards an Evolution of E-Learning Recommendation Systems: From 2000 to Nowadays. International Journal of Emerging Technologies in Learning (iJET), 16(06), pp. 286–298. https://doi.org/10.3991/ijet.v16i06.18159