000 00291nam a2200109Ia 4500
008 220725s2021 xx 000 0 und d
041 _aeng
082 _a378.1662
100 _aKumar, Er Prem
_9971344
245 _aCBSE 2021-22 Mathematics Class 12
260 _aMeerut
_bArihant prakshan
_c2021
999 _c661118
_d661118