Social sciences (4) Ciencias sociales (4) Animals (3) Animales (3) Wheat (2) Rate of return (2) Production (Economic theory) (2) Trigo (2) Producción (2) Rentabilidad (2) production (2) Technology (1) Sympathomimetic agents (1) Sheep (1) Selling (1) Research (1) Pregnancy (1) Months (1) Meat (1) Magnesium (1) Livestock (1) Irrigation (1) Interest (1) Human behavior (1) Forecasting (1) Force and energy (1) Evaluation (1) Etiquette (1) Estrus (1) Diet (1)