000 00277nam a22001217a 4500
003 OSt
100 _aShaw, Geeta Pushp
245 _aPrasar Shiksha Avam Sanchar Vywastha
250 _a3rd ed.
260 _aAgra
_bAgarwal Publication
_c2014
300 _a475p.
942 _2ddc
_cBK
999 _c4940
_d4940