00925cam a2200301 i 4500 8465 BD-RjUL 20211208234607.0 140118s1977 enka b 001 0 eng d 0470991453 (BD-RjUL)8510) DLC DLC DLC (BD-RjUL) eng eng 658.4034 DUG 23 Duckworth, W. E. (Walter Eric) 26356 A guide to operational research / W. E. Duckworth, A. E. Gear, A. G. Lockett. 3d ed. London : Chapman and Hall ; New York : Wiley, 1977. ix, 205 p. : ill. ; 25 cm. "A Halsted Press book." Includes bibliographies and indexes. Operations research. 26357 Gear, A. E. 231144 Lockett, A. Geoffrey, 231145 ddc BK 8465 8465 0 0 ddc 0 1 NFIC RUCL RUCL Reading 1984-09-25 Toppan & co. 12.95 0 658.4034 DUG 1982 2014-01-18 00:00:00 C-1 2021-12-08 BK