Мельницький, М. М. “Quality Management in the Activities of Enterprises of Oil and Gas Sector of Ukraine”. 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 28, 2014): 27–33. Accessed November 21, 2024. https://eung.nung.edu.ua/index.php/ecom/article/view/187.