000 00296nam a2200109Ia 4500
008 220421s1970 xx 000 0 und d
041 _aeng
082 _a371.3078
_bMAN/FUN
100 _aMangal,S.K.
_9569723
245 _aFundamentals of Educational Technology
260 _aPune
_b S.V.Bokil.
_c1970
999 _c395817
_d395817