Night (2) temps (durée) (1) enquête (1) statistiques (1) comportement (1) papier (1) analyse (1) champ (1) analyse des données (1) ordre (1) densité (1) Density (1) Statistics (1) Urban ecology (Sociology) (1) Youth (1) Young adults (1) Time management (1) Time (1) Statistics (1) Population (1) Paper (1) Order (1) Italians (1) Hypothesis (1) Gifts (1) Density (1) Beginning (1) Attention (1) Statistics (1) Regions (1)