000 00282nam a2200133Ia 4500
100 _aPREM KUMAR GUPTA
020 _a8121902819
365 _cRS
365 _d1
942 _cMBABK
245 _aOperations Research
260 _bS. Chand & co
_c1979
_aNew Delhi
300 _axii+1377
999 _c36155
_d36155