Covey, Stephen R. <br/><br/>
Seven habits of highly effective people: Restoring the character ethic 

 - London  Simon and Schuster  1989 
 - 358p. 
<br/><br/><label>ISBN: </label> RS 446.00 
<br/><br/><label>Source: </label> RS 446.00 
<br/><br/><label>Dewey Class. No.: </label>650 COV