De Bono, Edward <br/><br/>
Six thinking hats 

 - UK:  Penguin Random House,  2000 
 - 177 p. 
<br/><br/><label>ISBN: </label>9780241257531 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Film & TV | Philosophy
<br/><br/><label>Dewey Class. No.: </label>153.35  / D352S