000 00293nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aManmohan Singh Arora
245 0 _aText book of mathematics for class XI-XII (Book-1)
260 _aNew Delhi
_bN C E R T
_c1985
650 _aMath
942 _cBK
999 _c5522
_d5522