Drucker, Peter F. <br/><br/>
Management  tasks responsibilities practices / 
Peter F. Drucker. 
 - New York  Harper & Row Pub  1973 
 - 839p.  20 cm. 
<br/><br/><label>ISBN: </label>0060912073 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management