1. A resource for educators and students of game theory (2001-2007)http://www.gametheory.net/lectures/level.pl.
2. Amisse S., Muller P. (2009) The logics underlying cluster dynamics and strategies of interfirm collaboration. DRUID Summer Conference CBS, Copenhagen, Denmark.
3. Ansoff I.H. (2007) Strategic management. (11 th ed.) New York, Palgrave macmillan, (Chapter 5) Development-978-0-87855-698-4.html.
4. Han X. (2009) Research on relevance of supply chain and industry cluster. International journal of marketing studies, Vol.1, No.2, http://www.ccsenet.org/journal/index.php/ijms/article/view/4237/0.
5. June 17-19, http://www2.druid.dk/conferences/viewpaper.php?id=5728&cf=32.