Lin, Hanhui, Shaoqun Xie, Zhiguo Xiao, Xinxin Deng, Hongwei Yue, and Ken Cai. 2019. “Adaptive Recommender System for an Intelligent Classroom Teaching Model”. International Journal of Emerging Technologies in Learning (iJET) 14 (05):pp. 51-63. https://doi.org/10.3991/ijet.v14i05.10251.