Vietnam (1) Economic conditions (1) Assaying (1) Terms and phrases (1) Surveys (1) Terms and phrases (1) Sensitive plant (1) Wealth (1) Thais (1) Quality of life (1) Poverty (1) Perception (1) Nature (1) Lifestyles (1) Income (1) Impact (1) Human comfort (1) Households (1) Face (1) Cost and standard of living (1) Social comparison (1) Classification (1) Classification (1) Valuation (1) Analysis (1) Rating of (1) Names (1) Evaluation (1) Encuestas (1) Evaluación (1)