Columbia subject headings:
Business incubators--Italy.
Entrepreneurship--Italy.
Telecommunication--Italy--History.
Telettra (Firm)
Harvard subject headings:
Business incubators--Italy.
Entrepreneurship--Italy.
Telecommunication--Italy--History.
Telettra (Firm)
Princeton subject headings:
Business incubators--Italy.
Entrepreneurship--Italy.
Telecommunication--Italy--History.
Telettra (Firm)