Heller, Robert <br/><br/>
Achieving excellence / 
Robert Heller 
 - New York . Dorling Kinderley,  1999       
 - 72 p. 
 - Essential managers .
<br/><br/><label>ISBN: </label>0789448637 
<br/><br/><label>LC Class. No.: </label>HD 31 H477m 1999