Витвицький, Я. С., and О. В. Лебега. “World Experience of Shale Gas Consumption”. 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. 14, May 2018, pp. 40-52, https://eung.nung.edu.ua/index.php/ecom/article/view/27.