1. Baylor, A. (2002). Expanding preservice teachers’ metacognitive awareness of instructional planning through pedagogical agents. Educational Technology Research and Development, 50(2), 5-22.
2. Becker, H.J. & Riel, M.M. (2000). Teacher Professional Engagement and Constructivist-compatible Computer Use. Centre for Research on Information Technology and Organisations, University of California, Irvine. Retrieved November 22, 2012, from http://www.crito.uci.edu/tic/findings.html.
3. Bereiter, C., & Scardamalia, M. (1984). Teach ability of reflective processes in written composition. Cognitive Science, 180(8), 173-190.
4. Brucklacher, B., & Gimbert, B. (1999). Role-playing software and WebQuests: What's possible with cooperative learning and computers. Computers in the Schools, 15(2), 37-48.
5. Cho, K., & Jonassen, D. (2002). The effects of argumentation scaffolds on argumentation and problem solving. Educational Technology Research and Development, 50(3), 5-22.