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090 _a109346
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200 1 _aTheory of intellectual development
_fJere Confrey
461 1 _aFor The Learning Of Mathematics
_vVol. 15, nÂș 1 (1995), p. 38-48
606 1 _aPsicologia e Educacao
686 _a3500 - Psicologia Educacional
700 1 _aConfrey
_bJere
856 4 _uhttps://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/r4.htm