00932cam a2200301 i 4500 2720018 BD-DhUL 20150106164549.0 770317s1977 enka b 001 0 eng 77004247 0412123703 (cased edition) 0412135000 (paperback edition) DLC BD-DhUL DLC BD-DhUL T57.6 .D83 1977 658.1 DUG Duckworth, W. E. A guide to operational research / by W. E. Duckworth ; A. E. Gear and A. G. Lockett. 3rd ed. New York : Wiley, c1977. ix, 205 p. : ill. ; 25 cm. S$ 28.40 Includes bibliographies and indexes. Operations research. Gear, A. E. joint author. Lockett, A. G. joint author. 7 cbc orignew 1 ocip 19 y-gencatlg ddc BK 28038 28038 0 0 ddc 0 658_100000000000000_DUG 0 NFIC 52625 DUSL DUSL GEN 1982-01-22 Purchased 658.1 DUG A195563 2015-01-06 3 2015-01-06 BK 0 0 ddc 0 658_100000000000000_DUG 0 NFIC 52626 DUSL DUSL GEN 1982-01-22 Purchased 658.1 DUG A195561 2015-01-06 1 2015-01-06 BK