000 00291nam a2200133Ia 4500
008 221030s9999 xx 000 0 und d
041 _aEnglish
082 _a105.23
100 _aS Kalavathy
245 0 _aOperations Research
_cby S Kalavathy
260 _c0
650 _aMc
942 _cBK
999 _c12133
_d12133