De Bono, Edward,  1933- <br/><br/>
The 5 day course in thinking / 
 Five day course in thinking 
Edward De Bono 
 - Harmondsworth :  Penguin,  1969 
 - 160 p., 2 p. of plates :  ill. ;  20 cm. 
<br/><br/><label>ISBN: </label>0140210148 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Creative thinking<br/>Problem solving<br/>Thought and thinking