Magretta, Joan <br/><br/>
Understanding Michael Porter : the essential guide to competition and strategy / 
Joan Magretta 
 -  Harvard Business Review Press  2012 
<br/><br/>20773 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Porter, Michael, 1947-<br/>Competition<br/>Strategic planning<br/>Management
<br/><br/><label>LC Class. No.: </label>HD41  / Mag