Ngày tải lên :
17/02/2014, 09:20
... of metals for –; and tables .–. present estimates of other minerals for – Conceptual and Methodological Issues In addressing conceptual and methodological issues for mineral resources, ... input-output and regional accounts See, for example, Gavin Wright [] and Michael J Boskin, Marc S Robinson, Terrance O’Reilly, and Praveen Kumar [] The conceptual and methodological issues discussed ... coal, and uranium), the metals (iron ore, copper, lead, zinc, gold, silver, and molybdenum), and other minerals (phosphate rock, sulfur, boron, diatomite, gypsum, and potash) Petroleum and gas...