000 00000nam a2200000 a 4500
005 20251202164207.0
020 _a071313528X
082 _a658.4033,
_bD, coh
100 _aCohen, S.S.
245 _aOperational research
260 _aMarylaNew Delhi
_bEdward Arnold
_c1985
300 _avii, 245p, 23cm
690 _aOperational research
964 _bEng
_c100
_d
_e010
_f
_g_
997 _a3646 C 16810 LIBSS C
999 _c2899
_d2899