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020 _a8174461159
020 _a8174461167
040 _aUPES LIBRARY
_bEnglish
082 _a658.4034
_bGUP
100 _aGupta, Anju
_910714
245 _aOperations research
260 _aNew Delhi :
_bExcel Books,
_c1998
300 _a239p.
650 _aManagement
650 _aOperation research
_96657
942 _cBK
999 _c21311
_d21311