000 00509naa a2200145 4500
001 170294
090 _a170294
100 _a20040322 y0pory5003 ba
200 1 _aCognitive conflits in mathematics learning
_fHartwing Meissner
461 1 _aEuropean Journal Of Psychology Of Education
_vVol. 1, nÂș 2 (1986), p. 7-15
606 1 _aPsicologia e Educacao
686 _a3500 - Psicologia Educacional
700 1 _aMeissner
_bHartwing
856 4 _uhttps://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/r4.htm