Istanbul Commerce University www.ticaret.edu.tr

University of Turkish Aeronautical Association www.thk.edu.tr

PGlobal Global Advisory and Training Services Ltd. www.pglobal.com.tr

Yale University www.yale.edu

Georgetown University www.georgetown.edu

Bob Shiller’s page http://www.econ.yale.edu/~shiller/

Brad de Long’s page delong.typepad.com

Dark Ages or Golden Ages http://www.youtube.com/watch?v=JZDe9DCx7Wk and    http://www.1001inventions.com/