Porter, M. <br/><br/>
Competitive advantage :   creating and sustaining superior performance 

 - New York :   Free press ,  1998 . 
 - xxiv, 557 p. : ill. 
<br/><br/> includes bibliographical references and index  
<br/><br/><label>ISBN: </label>0684841460 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Competition.     <br/>Industrial management.
<br/><br/><label>LC Class. No.: </label>HD 41 .P668 1998