000 00251nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aSharma R.D
245 0 _aObjective Mathamatic
260 _aN.D
_bDhanpat Ray
_c2008
650 _aMath
942 _cBK
999 _c13313
_d13313