TY  - GEN
AU  - Oudenhoven, Jan
AU  - Wiersema, Bert
AU  - Yperen, Nico
TI  - Effects of cooperation and feedback by fellow-pupils on spelling-achievement
KW  - Psicologia e Educacao
KW  - 3500 - Psicologia Educacional
UR  - https://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/r4.htm
ER  -