Economic conditions (2) Development (2) History (2) Event history analysis (2) Notions (Philosophy) (2) White collar workers (2) Stress (Physiology) (2) Public domain (2) Olive (2) Land tenure (2) Government property (2) Footbridges (2) Electric currents, Direct (2) Electric currents, Alternating (2) Economics (2) Concepts (2) Authors (2) In literature (2) Technique (2) Influence (2) Technological innovations (2) Evolution (2) Interpretation (Phrasing, dynamics, etc.) (2) Interpretation and construction (2) Skywalks (2) Estrés (Fisiología) (2) Corriente alterna (2) Corriente continua (2) Escritores (2) Conceptos (2)