Drucker, Peter F. <br/><br/>
Management challenges for the 21st century 
Peter F. Drucker; Peter F. Drucker. 
 - Oxford  Butterworth Heinemann  2000 
 - xii, 205p., 22cm. 
<br/><br/><label>ISBN: </label>0-7506-4456-7. 
<br/><br/><label>Dewey Class. No.: </label>658  / D79M