000 00251nam a22001217a 4500
003 OSt
100 _aBhattacharya, G C
245 _aAddhyapak Shiksha
260 _aAgra
_bAggarwal Pub.
_c2015
300 _a532p.
901 _a1681BED
942 _2ddc
_cBK
999 _c37183
_d37183