TY  - GEN
AU  - Lyon, Mark
TI  - Academic self-concept and its relationship to achievement in a sample of junior high school students
KW  - Depósito de Retaguarda
KW  - 0220 - Depósito de Retaguarda
UR  - https://catalogo.ispa.pt/opac/biblioteca/localizacao_doc/dr.htm
ER  -