D. PREIGER, I. MALIARCHUK, and T. GRINKEVICH, “UKRAINE, RUSSIA, AND THE CENTRAL ASIAN STATES: OOPERATION PROBLEMS IN THE GAS SECTOR”, CAC, vol. 5, no. 1, pp. 101–110, Feb. 2004, Accessed: Jun. 13, 2025. [Online]. Available: https://ca-c.org/index.php/cac/article/view/325