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

 - London:   Penguin Books Ltd,   1999 
 - xiii, 177p. 
<br/><br/><label>ISBN: </label>978-0-141-03305-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hats
<br/><br/><label>Subjects--Index Terms: </label>White hats 
<br/><br/><label>Universal Decimal Class. No.: </label>159.95  / P0