ZAZHIGAEV, Boris. 2009. “ONE OF THE LIMITROPHE TERRITORIES OF THE GLOBAL WORLD (TRANSFORMATION OF THE STATES OF THE BALTIC-BLACK SEA REGION IN THE 21ST CENTURY) ”. CENTRAL ASIA AND THE CAUCASUS 10 (4-5): 106-17. https://ca-c.org/CAC/index.php/cac/article/view/1236.