1. Social network analysis and communities of practice;D.Assimakopoulos;Encyclopedia of Communities of Practice in Information and Knowledge Management,2005
2. Audretsch, D. (2002). Entrepreneurship: a survey of the literature. Centre for economic policy research. Paper prepared for the European Commission, Enterprise Directorate General.
3. Audretsch, D., & Keilbach, M. (2004). Entrepreneurship capital and economic growth. CEPR- Centre for Economic Policy Research and ZEW- Centre for European Economic Research, Mannheim.
4. Audretsch, D., & Thurik, R. (2001). Linking entrepreneurship to growth. STI Working Paper DSTI/DOC(2001)2.
5. Social and Commercial Entrepreneurship: Same, Different, or Both?