000 00478nam a2200157 4500
001 11057
090 _a11057
100 _a20040322 1981 y0pory5003 ba
200 1 _aChildren's understanding of mathematics
_e11-16
_fKathleen Hart
210 _aLondon
_cJohn Murray
_d1981
215 _a231 p.
606 1 _aPsicologia Educacional
686 _a3500 - Psicologia Educacional
700 1 _aHart
_bKathleen
856 4 _uhttps://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/e2.htm