Bilenko, Daria, Serhii Kozlovskyi, Natalya Ivanyuta, Viktoriia Baidala, Ruslan Lavrov, and Volodymyr Kozlovskyi. “Efficiency Assessment of Tax Measures in the European Countries Against the Effects of COVID-19”. Problemy Ekorozwoju / Problems of Sustainable Development 17, no. 1 (January 3, 2022): 16–22. Accessed December 17, 2025. https://ph.pollub.pl/index.php/preko/article/view/4510.