Ryazantsev, Sergey, and Alexey Bragin. “The Influence of Political and Economic Factors on Emigration From Russia to Europe”. Journal of Population and Social Studies [JPSS] 31 (September 26, 2022): 152–169. Accessed May 4, 2024. https://so03.tci-thaijo.org/index.php/jpss/article/view/255458.