000 00282nam a2200109Ia 4500
100 _aJournal of Education & Psychology Vol;40 No1-4
942 _cBV
654 _a
245 _aJournal of Education & Psychology Vol;40 No1-4
_bMay1982-Jan1983
260 _c1982-83
082 _a370.5
999 _c407310
_d407310
041 _aeng