Stephen R Covey  <br/><br/>
Principle centred leadership/ 
by Stephen R Covey 
 - London:  Pocket Books,  1992. 
 - 332p. 
<br/><br/><label>ISBN: </label>9780743468602 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Leadership<br/>Social Sciences
<br/><br/><label>Dewey Class. No.: </label>303.34  / STE/P