?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Kaur+%2C+Harvinder&rft.aulast=Kaur+&rft.aufirst=Harvinder&rft.date=19+September+2005&rft.title=Collaborative+online+learning%3A+Issues+in+online+facilitation&rft.genre=proceeding