Covey, Stephen R. <br/><br/>
Principle-centred leadership   [Book] 
Stephen R. Covey. 
 -  Simon & Schuster New York 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>9780684858418 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Leadership
<br/><br/><label>Dewey Class. No.: </label>658.4071