GUTIÉRREZ QUINTANILLA, J. R. The family context associated with self-concept and the academic performance of young people in middle school in San Salvador. Entorno, [S. l.], n. 55, p. 41–50, 2014. DOI: 10.5377/entorno.v0i55.6285. Disponível em: https://www.camjol.info/index.php/entorno/article/view/6285. Acesso em: 19 may. 2024.