000 00305nam a2200133Ia 4500
008 220201s2012 xx 000 0 eng d
082 _a658.4034
_bVIV
100 _aVivek Kumar
245 0 _aOperation research
250 _a4th
260 _bNew Delhi: SK Kataria
_c2012
300 _a489
942 _2ddc
999 _c88331
_d88331