000 00253nam a22001097a 4500
003 OSt
100 _aBansal, Ajay Kumar
245 _aRasayan Vigyan Shikshan Path Yojnayen
260 _aAgra
_bAgarwal Publication
_c2015
300 _a104p.
942 _2ddc
_cBK
999 _c4290
_d4290