000 00274nam a2200121Ia 4500
008 230524s9999 xx 000 0 und d
100 _aSaxena, N. R.
245 0 _aShikshan ki Takniki
260 _bAgrawal
_aAgra
_c2013
300 _a411
650 _aEducation
942 _cREF
999 _c6913
_d6913