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

 - New York : Summit Books, c1991. 
 - 334 p. : ill. ; 24 cm. 
<br/><br/><label>ISBN: </label>0671749102 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Success --Psychological aspects.,  Success in business. , Leadership.
<br/><br/><label>Dewey Class. No.: </label>158.4 COV