000 00265nam a22001217a 4500
003 OSt
100 _aRishishwar, Vinay
245 _aNirnyan Avam Adhishiksha
250 _a3rd ed.
260 _aAgra
_bAgarwal Publication
_c2014
300 _a307p.
942 _2ddc
_cBK
999 _c4977
_d4977