COVEY STEPHEN R. <br/><br/>
Principle Centered Leadership 

 - 1st ed. 
 - New York   Copyright 1990,1991 by Stephen R. Covey 
 - 334 p. 
<br/><br/><label>ISBN: </label>0671749102 
<br/><br/><label>Dewey Class. No.: </label>158'.4  / COV