1. Aviv, R., Erlich, Z., & Ravid, G. (2003). Cohesion and roles: Network analysis of CSCL communities. In V. Devedzic, J. M. Spector, D. G. Sampson, & Kinshuk (Eds.), Proceedings of the 3rd IEEE international conference on advanced learning technologies (pp. 145–150). Athens: ICALT. Available from http://www.ravid.org/gilad/AthensICALT2003.pdf (Retrieved April 1, 2009).
2. Beyond kappa: A review of interrater agreement measures;Banerjee;The Canadian Journal of Statistics,1999
3. Computer conferencing: An environment for collaborative project-based learning in distance education;Bernard;Educational Research and Evaluation,2001
4. Situated cognition and the culture of learning;Brown;Educational Researcher,1989
5. Towards a communicative model of collaborative web-mediated learning;Cecez-Kecmanovic;Australian Journal of Educational Technology,2000