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

 - 1 
 - New York  Free Press  c1980 
 - "xx, 396p. : ill. ;24cm." 
<br/><br/> includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0029253608 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Competition<br/>Industrial management