Research (6) Investigación (5) Estudio (4) Información (4) Perception (3) Equations (3) Consumption (Economics) (3) Factores (3) Ecuaciones (3) Percepción (3) Consumo (3) Programs (2) Labor (2) Weights and measures (2) Universities and colleges (2) Students (2) Stocks (2) Quality of products (2) Production (Economic theory) (2) Private universities and colleges (2) Health (2) Force and energy (2) Factor analysis (2) Education, Higher (2) Education (2) Consumers (2) Programas (2) Universidades privadas (2) Demanda (2) Salud (2)