PREYGER, David, and Vladimir OMELCHENKO. “PROBLEMS OF TURKMEN GAS EXPORT: IEW FROM UKRAINE”.
CENTRAL ASIA AND THE CAUCASUS
8, no. 1 (February 28, 2007): 120–133. Accessed June 30, 2025.
https://ca-c.org/index.php/cac/article/view/1052
.