Simkiv, L. 2020. IMPROVING THE EFFECTIVENESS OF THE REGIONAL AND LOCAL DEVELOPMENT MANAGEMENT SYSTEM. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas (Series: Economics and Management in the Oil and Gas Industry). 1(21) (Jul. 2020), 86–93. DOI:https://doi.org/10.31471/2409-0948-2020-1(21)-86-93.