TY - GEN AU - Boehnke, Klaus TI - Value orientations in relation to mathematical self-esteem: An exploratory study of their role in mathematical achievement among German, Israeli, and Canadian 14-year-olds KW - Psicologia educacional KW - Valores sociais KW - Aproveitamento académico KW - 3500 - Psicologia Educacional UR - https://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/r4.htm  ER -