TY  - GEN
AU  - Beem, A.
AU  - Ippel, Martin
TI  - Structuring principle for the memory representation of simple arithmetic facts
KW  - Psicologia Educacional
KW  - 3500 - Psicologia Educacional
UR  - https://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/e2.htm
ER  -