Bono, Edward de <br/><br/>
Edward de bono practical thinking  4 ways to be right, 5 ways to be wrong, 5 ways to understand 

 - Penguin group, London  c1991 
 - 188 
<br/><br/><label>ISBN: </label>0-14-013783-1 
<br/><br/><label>Dewey Class. No.: </label>153.42 Bon