Rubaj, Piotr, and Viktoriya Voytsekhovska. 2019. “Ukraine in the Face of Economic and Political Challenges”. Krakow Review of Economics and Management Zeszyty Naukowe Uniwersytetu Ekonomicznego W Krakowie, no. 6(978) (April): 9-22. https://doi.org/10.15678/ZNUEK.2018.0978.0601.