GUMUS, Fatih Burak, and Yusuf DAYIOGLU. “An Analysis on The Socio-Economic and Demographic Factors That Have an Effect on The Risk Taking Preferences of Personal Investors”. International Journal of Economics and Financial Issues, vol. 5, no. 1, Dec. 2014, pp. 136-47, https://econjournals.com.tr/index.php/ijefi/article/view/1030.