De Bono, Edward <br/><br/>
The 5 Day Course In Thinking 

 -  Penguin Books  1991 
 - 160 P. : ILL. 20 CM. 
<br/><br/> KOPERASI KEDAI BUKU UNIVERSITI MALAYA 
<br/><br/><label>ISBN: </label>140137890 
<br/><br/><label>Dewey Class. No.: </label>153.42 DEB 1991