Heller Robert <br/><br/>
Effective Leadership 

 -  Dorling Kindersley  1999 
 - 72 P. 
<br/><br/><label>ISBN: </label>0 7513 0767 X 
<br/><br/><label>Dewey Class. No.: </label>658.4092 HEL 1999 C.2