TY  - GEN
AU  - Porter, Jill
TI  - Understanding of counting in children with severe learning difficulties and nursey children with severe learning ..
KW  - Psicologia e Educacao
KW  - 3500 - Psicologia Educacional
UR  - https://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/r4.htm
ER  -