4Carl Gutwin, Gwen Stark, Saul Greenberg. Support for Workspace Awareness in Educational Groupware[DB/OL].http://grouplab.cpsc.ucalgary.ca/papers/1995/95 -Awareness.CSCL/csc195cameraready.pdf,2004-8-13.
5Jonassen,D , K Peck&B.Wilson .Learning With Technology Constructivist Perspective[M].NewJersey, USA:Prentice HalLlnc,1999.
3Roger T. and David W. Johnson, An Overview Of Cooperative Learning, http: //www.clcrc.com
4Barbara Wasson, Design and Evaluation of a Collaborative Telelearning Activity aimed at Teacher Training [C], 1999, Proceeding of the conference on Computer Supported Collaborative Learning' 1999
5Anna Maria D. Lankers , 1998, http: //www.thejournal.com/magazine/vault/A3380.cfm
6El- Marie Mostert, Johan G Knoetze, Implementing an Electronic Portfolio Assessment Strategy: Multiple Pathways for Diverse Learners [C], Fifth International CAA Conference' 2001, http: //www.lboro. ac.uk/service/ltd/flicaa/conf2001/pdfs/contents. pdf
8R W Brown, 1995, Autorating: Gettingindividual marks from team marks and enhancing teamwork [ C], 1995 Frontiers in Education Conference Proceedings, IEEE/ASEE, November 1995 (http: //fie. engrng.pitt.edu/fie95/3c2/3c24/3c24. htm)
9Kaufman, D.B. , Felder, R.M., Fuller, H., 2000, Accounting for individual effort in cooperative learning teams, http: //www. ncsu. edu/effective-teaching/Papers/Kaufmanpap. pdf
