Porter, Michael  E. <br/><br/>
Competitive strategy :  Techniques for analyzing industries and  competitors / 
by Michael E. Porter. 
 - New york :  Free Press ;  c1980 
 - xxviii,396p. :  ill. ;  23cm. 
<br/><br/> BBA. 
<br/><br/><label>ISBN: </label>0743260880 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Competitive  strategy.
<br/><br/><label>LC Class. No.: </label>658 
<br/><br/><label>Dewey Class. No.: </label>