Porter, Michael <br/><br/>
Competitive strategy 

 - New York  Free Press 
 - 396  Hb 
<br/><br/><label>ISBN: </label>0-02-925360-8 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>658