Using a Proportional Approach to Taxation in Ukraine: Problems and Possible Ways of their Solution. Ekon. čas. Volins. nac. unìv. ìm. Lesì Ukraïnki [Internet]. 2016 Apr. 3 [cited 2024 Nov. 24];1(5):85-90. Available from: https://echas.vnu.edu.ua/index.php/echas/article/view/217