000 00289nam a2200121Ia 4500
008 230524s9999 xx 000 0 und d
100 _aAgnihotri, Kalpana
245 0 _aShaikshik takniki ka sampratya
260 _bR.Rall
_aAgra
_c2014
300 _a161
650 _aEducation
942 _cREF
999 _c6882
_d6882