000 00358nam a2200157Ia 4500
008 240417s9999||||xx |||||||||||||| ||und||
020 _cRs.675.00
040 _aSME
082 _a003 GUP, P. K.
100 _aGup, P.K
245 0 _aOperation Research
250 _a7th rev
260 _aNew Delhi
_bS.Chand
_c2019
300 _axii,1498p.
942 _cBK
999 _c122753
_d122753