Porter, Michael E.,  1947- <br/><br/>
Competitive strategy :  techniques for analyzing industries and competitors / 
Michael E. Porter. 
 - New York ;  London :  Free,  2004. 
 - xxviii, 396 p. ;  24 cm. 
<br/><br/> Originally published: 1980. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780743260880  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Strategic planning.<br/>Competition.
<br/><br/><label>Dewey Class. No.: </label>658.4012