Bono, Edward de. <br/><br/>
Six thinking hats :  run better meetings, make faster decisions. 

 - UK :  Penguin life,  2000. 
 - xiii, 177 p. :  16 cm. 
<br/><br/><label>ISBN: </label>9780241257531 
<br/><br/><label>Dewey Class. No.: </label>GEN BON