R. Dias, J. M. Pereira, in L. Cagica Carvalho, „Are African Stock Markets Efficient? A Comparative Analysis Between Six African Markets, the UK, Japan and the USA in the Period of the Pandemic“, OE, let. 68, št. 1, str. 35–51, jul. 2022, Pridobljeno: 24. november 2025. [Na spletu]. Dostopno na: https://old.journals.um.si/index.php/oe/article/view/2098