Drucker, Peter F.  <br/><br/>
Changing world of the executive / 
Peter F. Drucker. 
 - New York:  Routledge/  2014. 
 - xiv;271p.: 
<br/><br/><label>ISBN: </label>9780750625036 
<br/><br/><label>Dewey Class. No.: </label>658.4 DRU.C