TY  - BOOK
AU  - Olav Undheim, Johan
AU  - Nordvik, Hilmar
TI  - Socio-economic factors and sex differences in an egalitarian educational system : academic achievement in 16-year-old norweigan students
KW  - CARACTERISTICAS DE LA FAMILIA
KW  - DIFERENCIAS SEXUALES
KW  - ESTUDIANTES DEL CENTRO DE ENSE\197ANZA
KW  - INFLUENCIAS SOCIOECONOMICAS
KW  - RENDIMIENTO ACADEMICO
N1  - Enero 1993
ER  -