000 00317nam a2200133Ia 4500
008 210901s1973 xx 000 0 eng d
082 _a519.92 GOE
100 _aGoel, B.S.
245 0 _aOperations research
260 _aMeerut
_bPragati Prakashan
_c1973
300 _a956
650 _aMathematic
942 _2ddc
_cBK
999 _c19420
_d19420