Covey, Stephen R. <br/><br/>
Principle-centered leadership / 
Stephen R. Covey 
 - London :  Simon & Schuster,  c1991 
 - 334 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0671711350 (pbk.) :  USD 13.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Success--Psychological aspects<br/>Success in business<br/>Leadership
<br/><br/><label>Dewey Class. No.: </label>301.155