Columbia subject headings:
Economic assistance.
Emigration and immigration--Economic aspects.
Foreign workers--Employment.
Foreign workers.
International trade.
Investments, Foreign.
Labor mobility.
Harvard subject headings:
Economic assistance
Emigration and immigration--Economic aspects
Foreign workers
International trade
Investments, Foreign.
Labor mobility.
Princeton subject headings:
Economic assistance.
Emigration and immigration--Economic aspects.
Foreign workers.
International trade.
Investments, Foreign.
Labor mobility.