Estudios (4) Rate of return (3) Production (Economic theory) (3) Evaluation (3) Duty-free transit (3) Tránsito aduanero (3) Evaluación (3) Producción (3) Rentabilidad (3) production (3) Labor (2) Research (2) Marketing (2) Demanda (2) Investigación (2) Marketing (2) Trabajo (2) Water (1) Wages (1) Vision (1) Unemployment (1) Tilapia (1) Selling (1) Salts (1) Raw materials (1) Quality of products (1) Profit (1) Poverty (1) Mexicans (1) Methodology (1)