Чиркова, Ю., & Vankovich, Y. (2020). IMPROVING THE PROCESS OF CONTROLLING THE SHADOW ACTIVITIES OF ENTERPRISES. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas (Series: Economics and Management in the Oil and Gas Industry), (1(21), 103–114. https://doi.org/10.31471/2409-0948-2020-1(21)-103-114