1. Cheong, D. U., Yun, S., & Chollins, C. (2009). Is Second Life effective for pre-service teachers’ teaching practice? In I. Gibson, R. Weber, K. McFerrin, R. Carlsen, & D. A. Willis (Eds.), Proceedings of society for information technology & teacher education international conference 2009 (pp. 1418–1421). Chesapeake: AACE.
2. Collins, A., Brown, J. S., & Newman, S. E. (1989). Cognitive apprenticeship: Teaching the crafts of reading, writing, and mathematics. In L. B. Resnick (Ed.), Knowing, learning, and instruction: Essays in honor of Robert Glaser (pp. 453–494). Hillsdale: Lawrence Erlbaum.
3. Dabbagh, N. (2005). Pedagogical models for E-learning: A theory-based design framework. International Journal of Technology in Teaching and Learning, 1(1), 25–44.
4. Fischer, G., Lemke, A. C., Mastaglio, T., & Morch, A. (1991). The role of critiquing in cooperative problem solving. ACM Transactions on Information Systems, 9(2), 123–151.
5. Furberg, A. (2009). Socio-cultural aspects of prompting student reflection in web-based inquiry learning environments. Journal of Computer Assisted Learning, 25(4), 397–409.