Витвицький, Я. С., and І. М. Петрунчак. “Economic Mechanism of Management of Oil and Gas Producing Enterprise During the Exploration of Residual Reserves of Hydrocarbon”. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas (Series: Economics and Management in the Oil and Gas Industry) 1, no. 9 (September 8, 2014): 11–19. Accessed May 2, 2024. https://eung.nung.edu.ua/index.php/ecom/article/view/185.