Al-Tarawneh, Alaaeddin, and Mohmmad Khataybeh. “Portfolio Behaviour of Commercial Banks under Risk Aversion, The Expected Utility Approach: Evidence from Jordan”. International Journal of Economics and Financial Issues, vol. 5, no. 2, Apr. 2015, pp. 312-23, https://econjournals.com/index.php/ijefi/article/view/1130.