Stahl, Gerry. <br/><br/>
Group cognition  computer support for building collaborative knowledge /  [electronic resource] : 
Gerry Stahl. 
 - Cambridge, Mass. :  MIT Press,  c2006. 
 - viii, 510 p. :  ill. 
 - Acting with technology .
 - Acting with technology. .
<br/><br/>Includes bibliographical references (p. [479]-498) and indexes. 
<br/><br/><br/>Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>LCCN: </label>
<br/><br/><label>Nat. Bib. No.: </label>GBA620908  bnb 
<br/><br/><label>Nat. Bib. Agency Control No.: </label> Uk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks.<br/>Computer-assisted instruction.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>LB1028.5  / .S696 2006 
<br/><br/><label>Dewey Class. No.: </label>371.33/4