Drucker, Peter F. <br/><br/>
Management challenges for the 21st century / 
Peter F. Drucker. 
 - London:  Routledge,  2014. 
 - xix, 181p.; 23cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9780750685092 
<br/><br/><label>Dewey Class. No.: </label>658 DRU