Covey,Stephen R. <br/><br/>
3rd alternative: solving life's most dificult problems/by Stephen R. Covey 

 - London  Simon & Schuster  2011 
 - 456p. 
<br/><br/><label>ISBN: </label>9780857205131 
<br/><br/><label>Dewey Class. No.: </label>153.42  C838T