Hagel, John <br/><br/>
Net gain : expanding markets through virtual communities 
John Hagel III, Arthur G. Armstrong 
 - Boston  Harvard Business School  c1997 
 - xv, 235 p. : ill. ; 24 cm 
<br/><br/> Includes bibliographical references (p. 221-224) and index 
<br/><br/><label>ISBN: </label>9780875847597 
<br/><br/><label>ISSN: </label>96041597 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Customer relations<br/>Internet marketing
<br/><br/><label>Dewey Class. No.: </label>658.800285467 HAG