KHIZBULLIN, Faiz, et al. “HYDROCARBON RESOURCES AS AN OBJECT OF GEOPOLITICAL CONFRONTATION BETWEEN RUSSIA AND THE WEST”. CENTRAL ASIA AND THE CAUCASUS, vol. 18, no. 2, Apr. 2017, pp. 34-41, https://ca-c.org/CAC/index.php/cac/article/view/1374.