000 00290nam a22001217a 4500
003 OSt
100 _aShrivastava, Mahendranath
245 _aShiksha Mai Suchna Avam Sanchar Prodyogki
250 _a4th ed.
260 _aAgra
_bAgarwal Publication
_c2015
300 _a141p.
942 _2ddc
_cBK
999 _c4676
_d4676