Bond , Edward De  <br/><br/>
Six thinking hats : 

 - Penguin :   London ;  1985. 
 - 207 p ; 21cm .  01 
 - 2024-09-18 
<br/><br/><label>ISBN: </label>0140227962 
<br/><br/><label>Nat. Bib. No.: </label>0010620 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>BON 
<br/><br/><label>Universal Decimal Class. No.: </label>783