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200 1 _aSocial to a cultural approach in the study of cognitive activities
_ethe fundamental role of semiotic systems
_fDaniel Maffiolo
461 1 _aEuropean Journal Of Psychology Of Education
_vVol. 8, nÂș 4 (1993), p. 487-500
606 1 _aPsicologia e Educacao
686 _a3500 - Psicologia Educacional
700 1 _aMaffiolo
_bDaniel
856 4 _uhttps://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/r4.htm