D. PREYGER and V. OMELCHENKO, “PROBLEMS OF TURKMEN GAS EXPORT: IEW FROM UKRAINE”, CAC, vol. 8, no. 1, pp. 120–133, Feb. 2007, Accessed: Jan. 09, 2025. [Online]. Available: http://13.200.237.241/CAC/index.php/cac/article/view/1052