De Bono, Edward,  1933-, <br/><br/>
Lateral thinking :  creativity step by step / 
Edward de Bono. 
 - First Perennial Library edition. 
 - 300 pages :  illustrations ;  21 cm. 
<br/><br/> Previous edition : New York : Harper & Row, 1970. 
<br/><br/><label>ISBN: </label> Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Creative thinking.