Φίλιππας Ν. Δ., and Νικολαΐδου Έ. “Mutual Fund Performance Evaluation: An Empirical Investigation of Greek Mutual Fund Performance Evaluation Using Morningstar’s Methodology”. SPOUDAI Journal of Economics and Business, vol. 55, no. 3, Sept. 2005, pp. 76-103, https://spoudai.org/index.php/journal/article/view/401.