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Chu, H.C., Chen, Y.M., Lin, C.J., Chen, M.Y. & Wang, C.B. (2006). Problem-Based e-Learning: Models and System Framework. In T. Reeves & S. Yamashita (Eds.), Proceedings of E-Learn 2006--World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education (pp. 2764-2771). Honolulu, Hawaii, USA: Association for the Advancement of Computing in Education (AACE).