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

 - London  Penguin  1990 
 - 207p. 
<br/><br/><label>ISBN: </label>014013784X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lateral Thinking<br/>Thinking<br/>Psychology
<br/><br/><label>Dewey Class. No.: </label>158.1 B6S4