TY  - BOOK
AU  - coaut
AU  - Mortimer,Jeylan T.
TI  - The effects of work intesity on adolescent mental health, achievement and behavioral adjusment : new evidence from a prospective study
KW  - ADOLESCENCIA
KW  - EDUCACION SECUNDARIA
KW  - HIGIENE MENTAL
KW  - RENDIMIENTO ACADEMICO
ER  -