Kašťáková , E.A., and A. Luptáková. “The Relevance of the Strategic Partnership Between the European Union and the Russian Federation in the Sanction Period”. Economic series of the Bulletin of L.N. Gumilyov ENU, no. 2 (January 26, 2023): 26–41. Accessed January 20, 2026. https://bulecon.enu.kz/index.php/main/article/view/346.