Churchman, C. West 1913- Introduction To Operations Research / by C. West Churchman, Russell L. Ackoff , E. Leonard Arnoff - New York : John Wiley & Sons , 1957 - x, 645 pages .: graph, illustrations .; 21 cm ISBN: RM 27.69 Subjects--Topical Terms: Operations researchResearch, Industrial Dewey Class. No.: 658.4034 / CHU 1957