Bono, Edward De <br/><br/>
Six Thinking Hats   

 - 1 
 - London  Penguin Books  2011 
 - 177p. 
<br/><br/><label>ISBN: </label>9780141033051 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology
<br/><br/><label>Dewey Class. No.: </label>153.4 
, A3/4 A3/4