Porter, Michael. E <br/><br/>
Competitive strategy  Techniques for Analyzing industries and competitors 

 - 1 
 - New York  Free Press  2004 
 - 395 
 -   .
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<br/><br/><label>ISBN: </label>0-7432-6088-0 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>General