КОРОЛЬ, С. В. Evaluation of Efficiency Investment Activity of Gas Distribution Companies: Methodological Aspects. 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. 40–46, 2018. Disponível em: https://eung.nung.edu.ua/index.php/ecom/article/view/47. Acesso em: 23 nov. 2024.