établissement scolaire (2) besoin (2) modèle (2) ordre (2) Mexique (2) Reliability (2) Children (2) Mexico, North (2) Bullying (2) Values (2) Students (2) Sex (2) Schools (2) School violence (2) Reliability (2) Population (2) Order (2) Mental health (2) Manufacturers' agents (2) Example (2) Evaluation (2) Commission merchants (2) Children (2) Tax assessment (2) Confirmatory factor analysis (2) Bullying in schools (2) Size (2) Structure (2) Population (2) Students (2)