temps (durée) (1) technologie (1) papier (1) littérature (1) analyse (1) âge (1) Time (1) Technology (1) Teachers (1) Students (1) Societies (1) Reproduction (1) Performance (1) Paper (1) Nature (1) Literature (1) Confidence (1) Age (1) Ability (1) Regions (1) Utilization (1) Age (1) Analysis (1) Technology (1) Number (1) Students (1)