4Porter. The Competitive Advantage of Nations[J]. Harvard Business Review. March-April, 1990.
5Jarunee Wong l impiyarat. The dynamic economic engine at Silicon Valley and US Government Programmes in financing innovations. Technovaton, 2006 (26).
6Anna SPadaveech. State subsidies and the sources of company finance in Italian industrial districts. Published by Oxford University Press on behalf of the Business History Conference, 2005.