Орлова, В. К., and С. М. Кафка. “Formation of Tax System of Ukraine”. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas (Series: Economics and Management in the Oil and Gas Industry) 2, no. 12 (September 27, 2015): 118–125. Accessed April 19, 2024. https://eung.nung.edu.ua/index.php/ecom/article/view/125.