000 00318nam a2200133Ia 4500
008 211214s9999 xx 000 0 und d
020 _a9788127263485
100 _aChawla K K
245 _aOperations Research
250 _a15th
260 _aNew Delhi
_bKayani Pub.
_c2010
300 _aPg.No.XII+501
942 _cBK
999 _c129663
_d129663