000 00601naa a2200157 4500
001 157332
090 _a157332
100 _a20040322 y0pory5003 ba
200 1 _aSecond graders use of schematic drawings in solving addition and sudtraction word problems
_fKaren Fuson, co-aut. Gordon Willis
461 1 _aJournal Of Educational Psychology
_vVol. 81, nº 4 (1989), p. 514-520
606 1 _aDepósito de Retaguarda
686 _a0220 - Depósito de Retaguarda
700 1 _aFuson
_bKaren
701 1 _aWillis
_bGordon
856 _uhttps://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/dr.htm