Robert Heller <br/><br/>
Essential manager's manual  / 
Robert Heller 
 - London  A Dorling kindrsely book  2008 
 - 864 pages 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Generalities
<br/><br/><label>Dewey Class. No.: </label>005 HEL-E