De Bono, Edward,  1933- <br/><br/>
Six thinking hats / 
Edwards De Bono 
 - Middlesex, England :  Penguin Group,  1985 
 - 207p. ;  20cm 
<br/><br/><label>ISBN: </label>014013784X (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Creative thinking<br/>Problem solving
<br/><br/><label>Dewey Class. No.: </label>158.1` BON