Online collaborative learning :  theory and practice / 
edited by Tim S. Roberts 
 - Hershey, PA :  Information Science Publishing,  2004 
 - 321 p. :  ill. ;  26 cm 
<br/><br/><label>ISBN: </label>1591401747 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group work in education<br/>Education, Higher--Computer-assisted instruction