Porter, Michael E. <br/><br/>
Competitive strategy - techniques for analyzing industries and competitors 

 - New York :  The Free Press,  1998 
<br/><br/><label>ISBN: </label>0684841487 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business management<br/>Business strategies<br/>Strategic management
<br/><br/><label>Dewey Class. No.: </label>658