De Bono, Edward,  1933- <br/><br/>
Six thinking hats / 
Edward de Bono 
 - Revised and updated 
 - London :  Penguin Books,  2000 
 - xiii, 177 p. ;  20 cm. 
<br/><br/><label>ISBN: </label>0140296662  RM43.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking<br/>Creative thinking