000 00305nam a22001457a 4500
999 _c13432
_d13432
003 OSt
008 200110b ||||| |||| 00| 0 eng d
082 _a658.4
_bPAN/O
100 _aPannerselvam,R
245 _aOperation Research
250 _a2 ed
260 _bPHI
_c2019
300 _a608
942 _cBK