1. 1. Congressional Research Service. (2021). Global economic effects of COVID-19. Retrieved from https://fas.org/sgp/crs/row/R46270.pdf.
2. 2. Horton, R. C. (2020). The COVID-19 catastrophe: what's gone wrong and how to stop it happening again. Cambridge: Polity Press.
3. 3. Ajmal, M. M., Khan, M., & Shad, M. K. (2021). The global economic cost of coronavirus pandemic: current and future implications. Public Administration and Policy: An Asia-Pacific Journal, 24 (3), 290-305. DOI: 10.1108/PAP-10-2021-0054.
4. 4. Reuters. (2022, January 20). IMF sees cost of COVID pandemic rising beyond $12.5 trillion estimate. Retrieved from https://www.reuters.com/business/imf-sees-cost-covid-pandemic-rising-beyond-125-trillion-estimate-2022-01-20/.
5. 5. Hlávka, J., & Rose, A. (2023, May 16). The COVID-19 pandemic cost the U.S. economy $14 trillion, new research finds. Fortune Well. Retrieved from https://fortune.com/well/2023/05/16/how-much-did-covid-19-pandemic-coronavirus-cost-economy-14-trillion/.