Porter, Michael E. <br/><br/>
Competitive Advantage  : Competitive Advantage 
/ by Michael E. Porter 
 - New York:   The Free Press,   1985. 
 - xviii, 557p. 
<br/><br/><label>ISBN: </label>0029250900 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business Unit<br/>Cost<br/>Management<br/>Value Chain
<br/><br/><label>Dewey Class. No.: </label>658  / POR/C