Churchman, C. West. <br/><br/>
Introduction to operations research / 
C. West Churchman, Russell L. Ackoff,  E. Leonard Arnoff. 
 - New York :  Wiley,  1957. 
 - x, 645 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research.<br/>Research, Industrial.