3Smits R. Innovation studies in the 21st century: questions from a user's perspective. Technological Forecasting & Social Change. 2002, 69: 861~883.
4Chung S. Building a national innovation system through regional innovation systems. Technovation, 2002, 22:485~491.
5Haner U E. Innovation quality:a conceptual framework. Int. J. Production Economics, 2002, 80: 31~37.
6Garth H,etal. Agroindustrialization through institutional innovation transaction costs, cooperatives and milk-market development in the east-African highlands. Agricultural Economics, 2000,23(3): 279~288.
