Allemagne (2) Development (2) Childhood and youth (2) Walking (2) Vocational qualifications (2) Teaching (2) Social skills (2) Professional education (2) Necessity (Philosophy) (2) Learning (2) Gaze (2) Gait in humans (2) Basic education (2) Architecture (2) Research (2) Valuation (2) Sizes (2) Science (2) Rating of (2) Health (2) Evaluation (2) Training of (2) Cualificaciones profesionales (2) Necesidad (Filosofía) (2) Habilidades sociales (2) Evaluación (2) Salud (2) Ciencias (2) Investigación (2) Évaluation (2)