Обельницька, Х. В. “Economic Essence of Resources As an Object of Corporate Management System of the Enterprise”. Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas (Series: Economics and Management in the Oil and Gas Industry), vol. 2, no. 12, Oct. 2015, pp. 170-8, https://eung.nung.edu.ua/index.php/ecom/article/view/133.