Porter, Michael E., <br/><br/>
Competitive advantage :  creating and sustaining superior performance : with a new introduction / 

 - 1st Free Press ed. 
 - New York :  Free Press,  c1998 
 - xxiv, 557 p. :  illustration ; 
<br/><br/> Originally published: New York : Free Press ; London : Collier Macmillan, c1985. 
<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  / POR