A. Pankrukhin, С. СОРОКОУМОВ, and S. Sorokoumov, “The ruble can become an international brand”, ГС, vol. 12, no. 2, pp. 14–17, Mar. 2010, Accessed: Nov. 08, 2026. [Online]. Available: https://gosudarstvennaya-sluzhba.owebs.ru/article/view/21022