Columbia subject headings:
Foreign workers--United States.
Information technology--Employees--Supply and demand--United States.
Labor supply--United States.
United States--Emigration and immigration--Economic aspects.
United States--Emigration and immigration--Government policy.
Harvard subject headings:
Foreign workers--United States
Information technology--Employees--Supply and demand--United States.
Labor supply--United States.
United States--Emigration and immigration--Economic aspects.
United States--Emigration and immigration--Government policy.
Princeton subject headings:
Foreign workers--United States.
Information technology--Employees--Supply and demand--United States.
Labor supply--United States.
United States--Emigration and immigration--Economic aspects.
United States--Emigration and immigration--Government policy.