TY  - GEN
AU  - Saljo, Roger
AU  - Wyndhamn, Jan
TI  - Formal setting as context for cognitive activities. empiri. study of arith. operat. under conflict. premi. for communi
KW  - Psicologia e Educacao
KW  - 3500 - Psicologia Educacional
UR  - https://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/r4.htm
ER  -