Biosphere (16) Biosfera (14) Interviews (12) Actors (12) Actores (12) Entrevistas (11) Tourism (10) Estudio (7) Turismo (7) Turismo (7) Turismo (7) Weights and measures (6) Attachment and garnishment (6) Embargo (6) Pesos y medidas (6) Biosphere reserves (5) Stocks (5) Estudios (5) Acciones (5) Ecotourism (4) Political science (4) Policy sciences (4) Perspective (4) Organization (4) Nature (4) Mechanical movements (4) Evaluation (4) Environmental policy (4) Concepts (4) Ability (4)