000 00256nam a22001097a 4500
003 OSt
100 _aRawal, Mridula
245 _aShiksha Mai Mapan,Mulyankan Avam Sankhyaki
260 _aAgra
_bAgarwal Publication
_c2013
300 _a359p.
942 _2ddc
_cBK
999 _c4785
_d4785