3Becattini G 1990.The Marshallian Industrial District as a Socio-economic Notion, in F. Pyke, G. Beeattini and W.Sengeaberger, eds., Industrial Districts and Inter-finn Co-operation in Italy, Geneva, IILS.
4Brusco, S. 1986. Small Firms and Indnstrial Districts: The Experience of Italy in D Keeble and E Wevep(ods.): New Firms and Regional Development in Europe, 184-202. London: Croom Helm.
5Humphrey J. and Schmitz H. 1995. Principles for Promoting Clnsters and Networks of SMEs, Paper Commissioned by the Small and Medium Enterprises Branch of the United Nations Industrial Development Organization(UNIDO).
6Krngman P. 1991. Increasing Returns and Economic Geography, Journal of Political Economy 99:183-199.
7Porter, M. E.1998. Clusters and the New Economics of Competition. Harvard Business Review, Nov/Dec98, 76(6),p77-91.
8Porter, M. E. 2000. Location, Competition, and Economic Development: Local Clustem in a Global Economy.Economic Development Quarterly, 14(1), pp15-35.
9Schmitz, H. 1995. Collective Efficiency: Growth Path for Small-scale Industry. Journal of Development Studies 31(4).
10Barney,J. 1991, Firm Resource and Sustained Competitive Advantage. Journal of Management, 17 ;99-122.
