De Bono, Edward <br/><br/>
The 5 day course in thinking / 
Edward de Bono 
 - London  Penguin Books  1967 
 - 160p.  ill.  24cm. 
<br/><br/><label>ISBN: </label>0140137890 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Though and thinking