L. Correia and P. Martins, “The Global Financial Crisis: From US Subprime Mortgages to European Sovereign Debt by George K. Zestos”, Panoeconomicus, vol. 64, no. 5, pp. 657–662, Oct. 2017, Accessed: Dec. 05, 2025. [Online]. Available: http://panoeconomicus.org/index.php/jorunal/article/view/449