Porter, Michael E.,  1947- <br/><br/>
Competitive advantage :  creating and sustaining superior performance / 
Michael E. Porter. 
 - First Free Press Export edition. 
 - xxiv, 557 pages :  illustrations ;  24 cm 
<br/><br/> Originally published: New York : Free Press ; London : Collier Macmillan, ©1985. 
<br/><br/>Includes bibliographical references (pages 537-540) and index. 
<br/><br/><label>ISBN: </label>0743260872 (paperback) 9780743260879 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial management.<br/>Competition.
<br/><br/><label>Dewey Class. No.: </label>658  / POR