De,Bono.Edward <br/><br/>
Lateral thinking: A text book of cr 
Bono.EdwardDe 
 - New Delhi  Penguin books  1990 
 - 260 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lateral thinking
<br/><br/><label>Dewey Class. No.: </label>423 B719L