"Trade blocs." . . "Political economy." . . "Régionalisation." . . "World Trade Organization." . . "Regionalismo e relazioni internazionali." . . "Trade." . . "Relations économiques internationales." . . "Aussenhandel." . . "Bloc commercial." . . "Unioni doganali." . . . . "1990-99." . . "Regionale samenwerking." . . "Zones de libre-échange." . . "Handelspolitiek." . . "Institute for International Economics (Estats Units d'Amèrica)" . . "Economía internacional." . . "Economia internacional." . "Blocs commerciaux." . . "Handelsblokken." . . "International politics." . . "Blocs comercials." . . "Regions." . . "Wirtschaftsblock" . . "Wirtschaftsblock." . "International economic relations." . . "Politique du commerce international." . . "Welthandel" . . "Welthandel." . . . . . . . . . . . . "Regional trading blocs in the world economic system" . "Regional trading blocs in the world economic system"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Buitenlandse handelspolitiek." . . "Global trends." . . "Regionalismo e commercio internazionale." . . "Systèmes économiques." . .