000 00650nam a2200217Ia 4500
005 20250508151618.0
008 008 250505s9999 xx 000 0 eng d
037 _aTextual
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a370.15, RUC
_qFEDL
100 _aRuch G. M. et. al
_9759598
245 0 _aSchemata for the analysis of drill in fractions
260 _aIowa
_bUniversity of Iowa
_c1936
300 _a58p.
490 _aUniversity of Iowa studies in education
546 _aVolume X Number 2
650 _aEducation - Psychology
_9755527
942 _cTEXL
_h370.15, RUC
999 _c1330936
_d1330936