ВИТВИЦЬКИЙ, Я. С.; ПІЛКА, М. С. Analysis of Resource Potential And Economic Problems of Extraction of Petroleum in Ukraine with Hydrocarbon Deposits, the Stock of Which Belongs to the Category of Hard Extractive. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas (Series: Economics and Management in the Oil and Gas Industry), [S. l.], v. 1, n. 13, p. 30–35, 2018. Disponível em: https://eung.nung.edu.ua/index.php/ecom/article/view/45. Acesso em: 21 nov. 2024.