A. Hrast in M. Mulej, „The Model M Method and Its Contribution to a Socially Responsible Society“, OE, let. 66, št. 1, str. 23–38, jul. 2020, Pridobljeno: 24. november 2025. [Na spletu]. Dostopno na: https://old.journals.um.si/index.php/oe/article/view/2136