1Peng-Kiat Pek, Kim-Leng Poh. Using Decision Networks for Adaptive Tutoring[R].Proceedings of ICCE 2000.
2Dietrich Albert, Cord Hockemeyer. Adaptive and Dynamic Hypertext Tutoring Systems Based on Knowledge Space Theory[A].Artificial Intelligence in Education: Knowledge and Media in Learning Systems[C].Amsterdam: IOS Press, 1997.
3Joel Martin Kurt Van Lehn. A Bayesian approach to cognitive assessment[Z], martin@cs.pitt.edu.cn.
