00000nam a2200000 a 4500 20251202164207.0 071313528X 658.4033, D, coh Cohen, S.S. Operational research MarylaNew Delhi Edward Arnold 1985 vii, 245p, 23cm Operational research Eng 100 010 _ 3646 C 16810 LIBSS C 2899 2899 2 0 0 0 PU PU 1998-04-08 9.95 0 658.4033, D, coh 3646 BK 0 0 0 0 PU PU 1998-04-08 175.00 0 658.4033, D, coh 16810 BK