Columbia subject headings:
Information services industry--India.
Information services industry--Singapore.
Information technology--Economic aspects--India.
Information technology--Economic aspects--Singapore.
Harvard subject headings:
Information services industry--India.
Information services industry--Singapore.
Information technology--Economic aspects--India.
Information technology--Economic aspects--Singapore.
Princeton subject headings:
Information services industry--India.
Information services industry--Singapore.
Information technology--Economic aspects--India.
Information technology--Economic aspects--Singapore.