SAVKA, Y. V. RESEARCH THE MATURITY OF PROJECT ACTIVITY OF POWR SUPPLY COMPANIES. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas (Series: Economics and Management in the Oil and Gas Industry), [S. l.], n. 1(17), p. 90–100, 2018. DOI: 10.31471/2409-0948-2018-1(17)-90-100. Disponível em: https://eung.nung.edu.ua/index.php/ecom/article/view/211. Acesso em: 20 may. 2024.