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999 _c994
_d994
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003 OSt
005 20210309155121.0
008 140606b xxu||||| |||| 00| 0 eng d
020 _a8121909696
040 _aCUCK
_beng
_cCUCK
_dCUCK
050 _aT 57.6
_b.G87
100 _91261
_aGupta, P. K
_d1933-
_q (Prem Kumar),
245 _a Problems in Operations Research
_b principles and solutions
_cGupta Kumar Prem Er and Hira D.S DR
250 _a1st edition
260 _aNew Delhi:
_b S. Chad & Company,
_c1991.
300 _axi,1202p.:
_bill.;
650 0 _a operations research
_91011
700 _91262
_aHira D.s. Dr
942 _2lcc
_cMON