Magretta, Joan, <br/><br/>
Understanding Michael Porter   the essential guide to competition and strategy  

 - Boston   Harvard Business Review Press,  2012. 
 - x, 236 p.       
<br/><br/><label>ISBN: </label>9781422160596 
<br/><br/><label>Subjects--Personal Names: </label><br/>Porter, Michael E., 1947- 
<br/><br/><label>Subjects--Index Terms: </label>Porter, Michael E., 1947-  Strategic planning 
<br/><br/><label>Dewey Class. No.: </label>658.401 2  / MAG