De Bono, Edward,  <br/><br/>
Po :   beyond yes and no 

 - 176 pages :   illustrations ;   20 cm 
<br/><br/><label>ISBN: </label>0140137823 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking
<br/><br/><label>Dewey Class. No.: </label>153.4