Ковалюк, О. М., and О. А. Колібаба. “Accounting Aspect of Concepts Correlation: Responsibility Centers, Cost Center, Checkpoint of Expenses”. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas (Series: Economics and Management in the Oil and Gas Industry) 2, no. 12 (September 21, 2015): 103–112. Accessed May 3, 2024. https://eung.nung.edu.ua/index.php/ecom/article/view/123.