000 00261nam a22001217a 4500
003 OSt
100 _aYadav, Siyaram
245 _aTeaching of Mathematics
250 _a7th ed.
260 _aAgra
_bAgarwal Publication
_c2015
300 _a395p.
942 _2ddc
_cBK
999 _c4385
_d4385