"Covey, R. Stephen" <br/><br/>
Principle centered leadership 

 - London  Fireside Book  1992 
 - 334 p. 
<br/><br/><label>ISBN: </label>671671792806 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Success psychological aspects
<br/><br/><label>Dewey Class. No.: </label>658.4092 COV