Arabchuk , Ya. I. 2019. “CONTROLLING IS AN INTEGRAL PART OF THE ART OF EFFECTIVE PUBLIC ADMINISTRATION”. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas (Series: Economics and Management in the Oil and Gas Industry), no. 2(20) (September):55-69. https://doi.org/10.31471/2409-0948-2019-2 (20)-55 -69.