Drucker Peter F <br/><br/>
Management challenges for the 21st century 
Drucker Peter F 
 -  1999 
<br/><br/><label>Standard No.: </label>121258 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:8.1'P, N9