TY  - GEN
AU  - Riley, Mary
AU  - Greeno, James
AU  - Heller, Joan
TI  - Development of children's problem-solving ability in arithmetic
KW  - Psicologia Educacional
KW  - 3500 - Psicologia Educacional
UR  - https://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/e2.htm
ER  -