Бакай, М. Л. (2018). The System of Integrated Performance Evaluation of the Effectiveness of Service Production in the Gas Transportation Industry. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas (Series: Economics and Management in the Oil and Gas Industry), 2(14), 82–91. Retrieved from https://eung.nung.edu.ua/index.php/ecom/article/view/32