TY  - GEN
AU  - Phillips, Eileen
AU  - Crespo, Sandra
TI  - Developing written communication in mathematics through math penpal letters
KW  - Psicologia e Educacao
KW  - 3500 - Psicologia Educacional
UR  - https://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/r4.htm
ER  -