Stahl, Gerry <br/><br/>
Group Cognition  Computer Support for Building Collaborative Knowledge 

 - USA  The Mit Press  2006 
<br/><br/><label>ISBN: </label>0-262-19539-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group Cognition
<br/><br/><label>Dewey Class. No.: </label>371.33  / STA