Estudio (3) Self-control (2) formation (1) papier (1) lumière (1) laboratoire (1) histoire (1) effet (1) Colombie (1) Context (1) Language (1) History (1) Correspondence (1) Correspondence (1) Training (1) Grounded theory (1) Labor (1) Origin (1) Women (1) Trials (1) Threats (1) Superstition (1) Students (1) Sex (Biology) (1) School children (1) Risk perception (1) Risk management (1) Research (1) Reality (1) Quality of products (1)