000 00712nam a2200253 a 4500
005 20210219153236.0
008 991125n 000 0 u
035 _aUPN01000085332
100 _aDunham, Penelope H.
222 0 _aFOCUS ON LEARNING PROBLEMS IN MATHEMATICS
245 0 _aLearning how to see : students'graphing difficulties
300 _a35-49
362 _a13, No. 4, 1991
505 _aMayo 1992
653 0 _aCONCEPTOS GEOMETRICOS
653 0 _aDESARROLLO CURRICULAR
653 0 _aESTRATEGIAS DE APRENDIZAJE
653 0 _aFORMACION CONCEPTUAL
653 0 _aGRAFICAS
653 0 _aMETODOS DE ENSEƑANZA
700 _aOsborne, Alan
904 _aAC
_b023143
905 _aArticulo
999 _c71835
_d71835