000 00284nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aManmohan Singh Arora, Ed.
245 0 _aMathematics for class XI-XII book IV
260 _aNew Delhi
_bN C E R T
_c1978
650 _aMath
942 _cBK
999 _c6576
_d6576