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In den Warenkorbpaperback. Zustand: New. Paperback Pages Number: 156 Language: Chinese. Economic forecasts Science Books: global non-ferrous metal consumption and import and export trade. as the object of study. a global non-ferrous metal consumption and import and export trade. and methodological guidance to the system engineering principles. combined with Resource Economics theory and research methods. industrial economics. regional economics. international trade. risk management. considering the characteristics and non-ferrous me.