Covey, Stephen R. <br/><br/>
Principle-centered leadership / 
by R.Covey Stephen 
 - New York :  A Fireside Book ,  1991 . 
 - 334 p.  Paper Back 
<br/><br/><label>ISBN: </label>9780671792800 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy & psychology<br/>Psychology<br/>Applied psychology<br/>Leadership
<br/><br/><label>Dewey Class. No.: </label>158.4  / STE-P