Хома, С. В., В. К. Орлова, С. М. Кафка, and Н. К. Василенко. 2018. “Economic Essence of Value Added Tax”. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas (Series: Economics and Management in the Oil and Gas Industry) 1 (13):72-77. https://eung.nung.edu.ua/index.php/ecom/article/view/51.