Pera, Jacek. “Risk Management and Diversification in the Light of Behavioural Finance Theory and the Neumann-Morgenstern Model”. Krakow Review of Economics and Management/Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie, no. 920 (December 10, 2015): 67–81. Accessed September 20, 2024. https://krem.uek.krakow.pl/index.php/krem/article/view/706.