000 00624nam a2200217 a 4500
005 20210219153501.0
008 991125n 000 0 eng u
035 _aUPN01000102255
100 _aSchmittau, Jean
222 _aFOCUS ON LEARNING PROBLEMS IN MATHEMATICS
245 _aA theory-driven inquiry into the conceptual structure of multiplication
300 _a50-64
362 _a1991 13, no. 4
653 0 _aDIAGRAMA (CONOCIMIENTO)
653 0 _aENTREVISTAS
653 0 _aESTRUCTURA COGNITIVA
653 0 _aFORMACION CONCEPTUAL
653 0 _aMULTIPLICACION
904 _aAC
_b040066
905 _aArticulo
999 _c78093
_d78093