Estudio (3) sport (3) Labor (2) Athletes (2) Atletas (2) Trabajo (2) Cuba (1) Programs (1) Focus groups (1) Track and field (1) Swans (1) Strategy (1) Statutes (1) Sports (1) Sand (1) Research (1) Perspective (1) Paradox (1) Measurement (1) Men (1) Matter (1) Materials (1) Logic (1) Letters (1) Id (Psychology) (1) Human capital (1) Human behavior (1) Generals (1) Evaluation (1) Error (1)