http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Paul R. Krugman (Princeton University),Maurice Obstfeld (University of California,Berkeley),Marc J. Melitz (Harvard University)
International economic relations; Quan hệ kinh tế quốc tế; International finance; Tài chính quốc tế