000 00313nam a2200109Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aVernon, P. E.
245 0 _aModern Educational Psychology as Science
260 _bEvans Brothers Ltd.
_aLondon
_c1950
942 _c1
999 _c33072
_d33072