KRYSOVATYY, Andriy, Volodymyr VALIHURA, Anna IVANOVA, and Viktoriia SIDLIAR. 2026. “MODELING DIFFERENTIATED RATES OF THE SINGLE TAX IN UKRAINE BASED ON THE POLISH EXPERIENCE”. Journal of European Economy 25 (1):155-80. https://doi.org/10.35774/jee2026.01.155.