3Kurokawa.Make or buy decisions in R&D:Small technology based firms in the United States and Japan.IEEE Transactions on Engineer Management,May 1997.44.
4Chesbrough. Open Innovation:the New Imperative for Creating and Profiting from Technology, Harvard Business School Press, 2003.33.
5Bartlett, Ghoshal. Managing across borders: The transnational solution [M ]. Harvard Business School Press, 2002. 89.
6Pascal James & Mitchell, Greg Imperato.Acceptable Risks[M]. New York Viking Press , 1985.21.