Bono,Edward <br/><br/>
Six thinking hats 

 - 2nd Ed.; 
 - NewDelhi  Penguin,  1999 
 - 177p.;  10cm 
<br/><br/><label>ISBN: </label>9780141033051 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology
<br/><br/><label>Dewey Class. No.: </label>150  / BON