Churchman West C <br/><br/>
Introduction to operations research 
by Churchman West C; Ackoff Russell L 
 -  1957 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>68564 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operational research
<br/><br/><label>Dewey Class. No.: </label>B2893, J7;15