5Chen, T. (2003). Recommendations for creating and maintaining effective networked learning communities: A review of the literature. International Journal of Instructional Media, 30(1), 35-44. 被引量:1
6Kirschner, P., Strijbos, J.W., Kreijns, K., & Beers, P.J. Designing electronic collaborative learning environments.Educational Technology Research and Development, 52(3), 47-66. 被引量:1