000 00255nam a2200121Ia 4500
008 230321s9999 xx 000 0 und d
082 _a372.7
_bNCE
100 _aNCERT
245 0 _aMathematics (VII)
260 _bNCERT
_c2009
300 _a34
942 _cBK
999 _c2595
_d2595