Drucker, Peter F. <br/><br/>
The effective executive 
Peter F. Drucker 
 - London  Heinemann  1967 
 - hbk. : viii, 148 p. : index ; 22 cm 
<br/><br/> PUR 
<br/><br/> cj 
<br/><br/><label>Dewey Class. No.: </label>658  / DRU