[1] Asheim and Gertler, The Geography of Innovation: Regional Innovation Systems, in The Oxford Handbook of Innovation, J.M. Fagerberg, David C.; Nelson, Richard R.; Editor., Oxford University Press. 2005.
[2] Wolfe, D.A. and M. S. Gertler, Clusters from the Inside and Out: Local Dynamics and Global Linkages. Urban Studies. 2004. 41 (5-6): 1071-1093.
[3] Owen-Smith, J. and W.W. Powell, Knowledge Networks as Channels and Conduits: The Effects of Spillovers in the Boston Biotechnology Community. Organization Science. 2004. 15 (1): 5-21.
[4] Storper, M. The Regional World. NewYork.: The Guilford Press. 1997.
[5] Salavisa, I., C. Sousa, and M. Fontes, Topologies of innovation networks in knowledge-intensive sectors: Sectoral differences in the access to knowledge and complementary assets through formal and informal ties. Technovation. 2012. 32 (6): 380-399.
[6] Ter Wal, A.L. and R.A. Boschma, Applying social network analysis in economic geography: framing some key analytic issues. The Annals of Regional Science. 2009. 43 (3): 739-756.
[7] Boschma, R. A. and A.L.J. Ter Wal, Knowledge Networks and Innovative Performance in an Industrial District: The Case of a Footwear District in the South of Italy. Industry & Innovation. 2007. 14 (2): 177-199.
[8] Giuliani, E. and M. Bell, The micro-determinants of meso-level learning and innovation: evidence from a Chilean wine cluster. Research Policy. 2005. 34 (1): 47-68.
[9] Morrison, A. Gatekeepers of Knowledgewithin Industrial Districts: Who They Are, How They Interact. Regional Studies. 2008. 42 (6): 817-835.
[10] Martin, R. and J. O. Rypestøl, Linking content and technology: on the geography of innovation networks in the Bergen media cluster. Industry and Innovation. 2018. 25 (10): 966-989.
[11] Boschma, R. Proximity and Innovation: A Critical Assessment. Regional Studies. 2005. 39 (1): 61-74.
[12] Boggs, J.S. and N.M. Rantisi, The ‘relational turn’ in economic geography. Journal of Economic Geography. 2003. 3 (2): 109-116.
[13] Grabher, G. and O. Ibert, Bad company? The ambiguity of personal knowledge networks. Journal of Economic Geography. 2005. 6 (3): 251-271.
[14] Giuliani, E. The selective nature of knowledge networks in clusters: evidence from the wine industry. Journal of Economic Geography. 2007. 7 (2): 139-168.
[15] Maskell, P. and A. Malmberg, Localised learning and industrial competitiveness. Cambridge Journal of Economics. 1999. 23 (2): 167-185.
[16] Grillitsch, M. and M. Nilsson, Knowledge externalities and firm heterogeneity: Effects on high and low growth firms. Papers in Regional Science. 2017.
[17] Martin, R. and J. Moodysson, Comparing knowledge bases: on the geography and organization of knowledge sourcing in the regional innovation system of Scania, Sweden. European Urban and Regional Studies. 2013. 20 (2):170-187.
[18] Freeman, C. Technology Policy and Economic Performance: Lessons from Japan. London: Pinter. 1987.
[19] Lundvall, B.-A. National Innovation Systems: Towards a Theory of Innovation and Interactive Learning. London: Pinter. 1992.
[20] Cooke, P. Regional Innovation Systems: Competitive Regulation in the New Europe. Geoforum. 1992. 23: 365-82.
[21] Edquist, C. Systems of innovation approaches-their emergence and characteristics. Pinter, London. 1997.
[22] Tödtling, F. and M. Trippl, One size fits all?: Towards a differentiated regional innovation policy approach. Research Policy. 2005. 34 (8): 1203-1219.
[23] Autio, E. Evaluation of RTD in regional systems of innovation. European Planning Studies. 1998. 6 (2): 131-140.
[24] Marshall, A. Principles of Economics. London: MacMillan. 1920.
[25] Krugman, Increasing Returns and Economic Geography. 1991.
[26] Audretsch and Feldman, R&D Spillovers and the Geography of Innovation and Production. The American Economic Review. 1996. 86 (3): 630-640.
[27] Giuliani, E. Networks of innovation. Elgar Online: via King's College, London. 2011.
[28] [28] Krugman, P. Increasing Returns and Economic Geography. Journal of Political Economy. 1991. 99 (3): 483-499.
[29] Feldman, M. P. and R. Florida, The Geographic Sources of Innovation: Technological Infrastructure and Product Innovation in the United States. Annals of the Association of American Geographers. 1994. 84 (2): 210-229.
[30] Tappeiner, G., C. Hauser, and J. Walde, Regional knowledge spillovers: Fact or artifact? Research Policy. 2008. 37 (5): 861-874.
[31] Bathelt, H., A. Malmberg, and P. Maskell, Clusters and knowledge: local buzz, global pipelines and the process of knowledge creation. Progress in Human Geography. 2004. 28 (1): 31-56.
[32] Andersson, M. and C. Karlsson, Knowledge in Regional Economic Growth—The Role of Knowledge Accessibility. Industry & Innovation. 2007. 14 (2): 129-149.
[33] Bell, G.G. and A. Zaheer, Geography, Networks, and Knowledge Flow. Organization Science. 2007. 18 (6): 955-972.
[34] Razavi, Naghade, and Adli, Can Knowledge Be Managed? Rahyaft. 1394.
[35] Tödtling, F., P. Lehner, and A. Kaufmann, Do different types of innovation rely on specific kinds of knowledge interactions? Technovation. 2009. 29 (1): 59-71.
[36] Kesidou, Caniëls, and Romijn, Local Knowledge Spillovers and Development: An Exploration of the Software Cluster in Uruguay. Industry and Innovation. 2009. 16 (2): 247-272.
[37] Porter, M. E .Competition and Economic Development Local Clusters in a Global Economy. ECONOMIC DEVELOPMENT QUARTERLY. 2000. 14 (1): 15-34.
[38] Li, W., R. Veliyath, and J. Tan, Network Characteristics and Firm Performance: An Examination of the Relationships in the Context of a Cluster. Journal of Small Business Management. 2013. 51 (1): 1-22.
[39] Saxenian, Regional Advantage Culture and Competition in Silicon Valley and Route 128. 1994.
[40] Maggioni, M. A., T.E. Uberti, and M. Nosvelli, Does intentional mean hierarchical? Knowledge flows and innovative performance of European regions. The Annals of Regional Science. 2014. 53 (2): 453-485.
[41] Wasserman, S. and K. Faust, Social Network Analysis: Methods and Applications (Vol. 8). (Cambridge University Press.( 1994.
[42] Vicente, J., P. A. Balland, and O. Brossard, Getting into Networks and Clusters: Evidence from the Midi-Pyrenean Global Navigation Satellite Systems (GNSS) Collaboration Network. Regional Studies. 2011. 45 (8): 1059-1078.
[43] Giuliani, E. and C. Pietrobelli, Social Network Analysis Methodologies for the Evaluation of Cluster Development Programs. (CIRCLE WP, Lund University). 2014.
[44] Juhász, S. and B. Lengyel, Creation and persistence of ties in cluster knowledge networks. Journal of Economic Geography. 2017. 18 (6): 1203-1226.
[45] Borgatti, S. P., M. G. Everett, and L.C. Freeman, Ucinet for Windows: Software for Social Network Analysis. AnalyticTechnologies. Harvard, MA. 2002.
[46] Krackhardt, D. and R.N. Stern, Informal Networks and Organizational Crises: An Experimental Simulation. Social Psychology Quarterly. 1988. 51 (2): 123-140.
[47] Mohammadi, A. and Bigdello, upport Tools for Knowledge Base Companies Based in Science and Technology Parks - Case Study: Science and Technology Park of Middle East Technical University of Turkey. Rahyaft. 2012.
[48] Mohammadhashemi, z., f. Zamani, and s. Allahy. The functions of intermediary organizations in innovation process: The case of science and Technology Parks, in ASIALICS & IRAMOT. 2017.