Porter,Michael E. <br/><br/>
Competetive strategy 

 - New York  Free Press  1980 
 - xvii,396 p.  22cm.  HB 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Industrial management<br/>Strategic planning
<br/><br/><label>Dewey Class. No.: </label>658  / POR