1. Bošković, N.-Despotović, D.-Ristić, L. (2021), "Negative Effects of Covid-19 Pandemic on International Tourism", Ecologica Vol. 28, No. 102, pp. 271-276.;
2. CEP&NALED (2020), "Efekti ekonomskih mera za ublažavanje negativnih posledica Covid-19 na privredu", #EU za tebe edicija.;
3. The Economist (2021), "The Covid-19 Pandemic: Counting the Dead", May 15th, mimeo.;
4. Gopinath, G. (2020), "The Great Lockdown: Worst Economic Downturn Since the Great Depression", IMF, April 14th, Washington, DC.;
5. Jackson, J. et alia (2021), "Global Economic Effects of Covid-19", Congressional Research Service, November 10th, R46270, Washington, DC;