Porter, Michael E. <br/><br/>
Competitive Strategy 

 - New York  Free Press  1998 
 - xxviii, 396 p. 
<br/><br/><label>ISBN: </label>0684841487 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Competition
<br/><br/><label>Dewey Class. No.: </label>658  / POR