De Bono, Edward, <br/><br/>
Practical thinking :  4 ways to be right. 5 ways to be wrong. 5 ways to understand / 
 Practical thinking :  four ways to be right. five ways to be wrong. five ways to understand 
Edward de Bono 
 - London :  Penguin Books,  1976 
 - 189 p. :  ill. ;  20 cm. 
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<br/><br/><label>ISBN: </label>0140219005 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thought and thinking<br/>Creative thinking