Köksal, Bülent and Orhan, Mehmet (2012): Market risk of developed and developing countries during the global financial crisis. Unpublished.
Muradoglu, Gulnur; Zaman, Asad and Orhan, Mehmet (2003): Measuring the Systematic Risk of IPO’s Using Empirical Bayes Estimates in the Thinly Traded Istanbul Stock Exchange. Published in: International Journal of Business , Vol. 3, No. 8 (2003): pp. 315-334.
