000 nam a22 7a 4500
999 _c8361
_d8361
008 180112b ||||| |||| 00| 0 eng d
100 _94775
_aVERMA.S ET AL
245 _aMATHEMATICS CLASS -VI.VII
260 _aNEW DELHI
_bPRACHI
_c2017