Marrhich, A. et al. 2021. Teachers’ Roles in Online Environments: How AI Based Techniques Can Ease the Shift Challenges from Face-to-Face to Distance Learning. International Journal of Emerging Technologies in Learning (iJET). 16, 24 (Dec. 2021), pp. 244–254. DOI:https://doi.org/10.3991/ijet.v16i24.26367.