000 00254nam a2200097Ia 4500
942 _cBV
654 _a
245 _aJournal of Educational Research; Vol 87 No 9-12
_bSep to Dec 1993
260 _aWashington
_bBimonthly By Heldref
_c1993
082 _a370.7805
999 _c414629
_d414629
041 _aeng