"Hagel III, John" <br/><br/>
Net gain: expnding markets through virtual communities / by John Hagel and Arthur G. Armstrong 

 - Boston  Harvard Business School Press  1997 
 - 237p. 
<br/><br/><label>ISBN: </label>9780875847597 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet marketing
<br/><br/><label>Dewey Class. No.: </label>658.800285467 HAG