Covey, Stephen R. <br/><br/>
Principle-centered leadership   [Book] 
Stephen R. Covey. 
 -  Pocket Books New York 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>9780743468602 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Success--Psychological Aspects
<br/><br/><label>Dewey Class. No.: </label>158.4