000 00263nam a22001217a 4500
003 OSt
100 _aSHRVASTAVA, D.N.
245 _abal vikas evam shiksha shastra
260 _aAGRA
_bWISH TECHNOLOGES
_c2015
300 _a398P.
901 _aE2755
942 _2ddc
_cBK
999 _c5114
_d5114