Columbia subject headings:
Express highways--Economic aspects--Italy.
Road construction industry--Italy--Finance.
Road construction industry--Privatization--Italy.
Harvard subject headings:
Express highways--Economic aspects--Italy.
Road construction industry--Italy--Finance.
Road construction industry--Privatization--Italy.
Princeton subject headings:
Express highways--Economic aspects--Italy.
Road construction industry--Italy--Finance.
Road construction industry--Privatization--Italy.