BONO, Edward de  <br/><br/>
Six Thinking Hats 

 - London  Penquin Book Publishing   1999 
 - vii, 177p. 
<br/><br/><label>ISBN: </label>0-14-029666-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking<br/>Problem Solving 
<br/><br/><label>Dewey Class. No.: </label>150.195