temps (durée) (1) société (humaine) (1) spectacle (1) établissement scolaire (1) planification (1) ménage (1) santé (1) famille (1) âge (1) enfant (1) Children (1) Specifications (1) Methods (1) Specifications (1) Teenagers (1) Youth (1) Work (1) Waves (1) Vice (1) Time (1) Specifications (1) Quakers (1) Planning (1) Parents (1) Life (1) Hypothesis (1) Health (1) Girls (1) Families (1) Evidence (1)