Ackoff, Russell Lincoln. <br/><br/>
The art of problem solving :  accompanied by Ackoff's fables / 
by Russell L. Ackoff ; illustrated by Karen B. Ackoff. 
 - New York, N.Y. :  Wiley,  1978. 
 - x, 214 p. :  ill. ;  25cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0471042897 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Problem solving.