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200 1 _aUnderstanding of counting in children with severe learning difficulties and nursey children with severe learning ...
_fJill Porter
461 1 _aBritish Journal Of Educational Psychology
_vVol. 68, nÂș 3 (1998), p. 331-345
606 1 _aPsicologia e Educacao
686 _a3500 - Psicologia Educacional
700 1 _aPorter
_bJill
856 4 _uhttps://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/r4.htm