ZHANG, Jianhua; WIHLBORG, Clas. The Polish stock market : risk and risk premia. Economics and Business Review, Poland, v. 4, n. 2, p. 5–27, 2004. DOI: 10.18559/ebr.2004.2.507. Disponível em: https://journals.ue.poznan.pl/ebr/article/view/507. Acesso em: 3 apr. 2025.