Weights and measures (1) Self-employed women (1) Research (1) Mental retardation (1) Longitudinal method (1) Intellectuals (1) Id (Psychology) (1) Education (1) Collective settlements (1) Attention (1) Ability (1) Método longitudinal (1) Comunidades (1) Educación Secundaria Obligatoria (1) Atención (1) Intelectuales (1) Educación (1) Deficiencia mental (1) Pesos y medidas (1) Investigación (1) Ello (1) Trabajadoras autónomas (1) Aptitudes (1) éducation (1) classification (1)