Columbia subject headings:
Information technology--Brazil.
Information technology--Canada.
Information technology--Mexico.
Knowledge workers--Supply and demand--Brazil.
Knowledge workers--Supply and demand--Canada.
Knowledge workers--Supply and demand--Mexico.
Harvard subject headings:
Princeton subject headings:
Information technology--Brazil.
Information technology--Canada.
Information technology--Mexico.
Knowledge workers--Supply and demand--Brazil.
Knowledge workers--Supply and demand--Canada.
Knowledge workers--Supply and demand--Mexico.