3Callon,M.,Latour,B.,Knorr Cetina,K.,Cicourel,A.Unscrewing the big Leviathan: How actors macrostructure reality and how sociologists help them to do it[].Advances in Social Theory.1981
8D C . Mowery, N, Rsenberg, The influence of market drmand upon innovation: A critical review of some recent ernpirical studies, Res. Policy 8 (2) (1978) 102-153.
9E Von Hippel, The Sources of Innovation, Oxiord Univ. Press, Oxford, 1988,.
10R R Nelson (Ed), National Innovation Systems: A Comparative AnalysisOxford Uni. Press, 1993.
