De Bono,Edward. <br/><br/>
Conflicts : A Better Way Resolve Them. 

 -  Penguin Books.  1991 
 - 207 P. 20 CM. 
<br/><br/> UM KOOP 
<br/><br/><label>ISBN: </label>140137777 
<br/><br/><label>Dewey Class. No.: </label>303.69 1991