OPTIMIZING THE RISK & RETURN OF SHANGHAI STOCK EXCHANGE FOR EUROPEAN MARKETS: APPLICATION OF MODERN PORTFOLIO THEORY. Journal of European Studies (JES), [S. l.], v. 36, n. 2, p. 100–115, 2020. Disponível em: https://asce-uok.edu.pk/journal/index.php/JES/article/view/147. Acesso em: 4 oct. 2025.