000 00396nam a2200169Ia 4500
008 230524s9999 xx 000 0 und d
082 _a3
_bGUP
100 _aPrem Kumar Gupta
245 0 _aOperations Research
250 _a1ST
260 _aNEW DELHI
_bS.Chand
_c2007
300 _aXIII;1377
500 _aQuantity Number: 2
650 _aMathematics
700 _a D.S.Hira
942 _cBK
999 _c36361
_d36361