1.
Zhang J, Hao B, Chen B, Li C, Chen H, Sun J. Hierarchical Reinforcement Learning for Course Recommendation in MOOCs. AAAI [Internet]. 2019Jul.17 [cited 2024Apr.16];33(01):435-42. Available from: https://ojs.aaai.org/index.php/AAAI/article/view/3815