000 00297nam a2200121Ia 4500
008 090707b ii f a fnsan d
082 _a511.2 K21O
100 _aSwarup, Kanti
_912658
245 _aOperations Research
260 _c1978
_aNew Delhi;
_bSultan Chand;
300 _a869p.
942 _cBK
999 _c13597
_d13597