000 00268nam a2200121Ia 4500
008 220821s2009 xx 000 0 eng d
100 _aKALAVATHY, S.
245 0 _aOPERATIONS RESEARCH
250 _a2ND
260 _bVIKAS
_c2009
300 _a536
942 _2ddc
_cBTECH
_04
999 _c858
_d858