000 00504naa a2200145 4500
001 83838
090 _a83838
100 _a20040322 y0pory5003 ba
200 1 _aTeaching the negatives, 1870-1970
_ea medley of models
_fGavin Hitchcock
461 1 _aFor The Learning Of Mathematics
_vVol. 17, nÂș 1 (1997), p. 17-25
606 1 _aPsicologia e Educacao
686 _a3500 - Psicologia Educacional
700 1 _aHitchcock
_bGavin
856 4 _uhttps://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/r4.htm