Covey, Stephen R. <br/><br/>
Principle-centred leadership 
Stephen R. Covey 
 - Sydney:  Pocket Books,  1991 
 - 332p. 
<br/><br/><label>ISBN: </label>9780743468602 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Leadership<br/>Success in business<br/>Success-Psychological aspects
<br/><br/><label>Dewey Class. No.: </label>158  / COP