Magretta, Joan <br/><br/>
Understanding michael porter / 
by  Joan Magretta 
 - Boston :  Harvard Business review press ,  2012 . 
 - 236 p.  Hard Back 
<br/><br/><label>ISBN: </label>9781422160596 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English literature <br/>Planning and policy making 
<br/><br/><label>Dewey Class. No.: </label>658.401 2    / JOA-U