Porter, Michael E. <br/><br/>
Competitive advantage :  creating and sustaining superior performance / 
Michael E. Porter 
 - New York :  Free,  2004 
 - 576 p. ;  24 cm 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0743260872 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Competition<br/>Performance<br/>Industrial management