000 00303nam a2200121Ia 4500
008 220201s1984 xx 000 0 eng d
082 _bDAS
100 _aDass, S C & other
245 0 _aTextbook of mathematics for classes Xi-XII book v
260 _aDelhi
_bNCERT
_c1984
300 _a156
942 _2ddc
999 _c24271
_d24271