TY  - GEN
AU  - Fagnant, Annick
TI  - The use of mathematical symbolism in problem solving
KW  - Psicologia educacional
KW  - 3500 - Psicologia Educacional
UR  - https://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/r4.htm 
UR  - http://search.ebscohost.com/login.aspx?direct=true&db=psyh&an=2006-01426-003&lang=pt-br&site=ehost-live&scope=site
ER  -