Education (16) Economies et finances (2) Anthropologie sociale et ethnologie (2) Sociologie (1) Sciences de l'information et de la communication (1) Histoire, Philosophie et Sociologie des sciences (1)
Health (22) Salud (20) Colombie (10) Population (6) Estudio (6) Población (6) Materials (5) Materiales (5) Students (4) Research (4) Factores (4) Estudiantes (4) Investigación (4) Women (3) Time (3) Evaluation (3) Evaluación (3) Tiempo (3) Mujeres (3) santé (2) Employees (2) Certification (2) Youth (2) Weights and measures (2) Sex (Biology) (2) Quality of life (2) Poverty (2) Periodicals (2) Obesity (2) Nursing (2)