000 00269nam a2200121Ia 4500
008 200701s2002 xx 000 0 eng d
100 _aPREM KUMAR GUPTHA
245 0 _aOPERATION RESERCH
250 _a5th
260 _bS CHAND
_c2002
300 _a1055
942 _2ddc
_cGE
999 _c2006
_d2006