Abramov, Viktor I., Sofia Sh. Ostanina, Ekaterina L. Vodolazhskaya, Alexey D. Chudnovskiy, Maxim A. Suchkov, Larisa F. Zhandarova, Alla A. Rybolovleva, and Guzel B. Sayfutdinova. 2016. “The Preconditions of Economic Management of Problematic Region in a Federal State”. International Review of Management and Marketing 6 (2S):212-18. https://econjournals.org.tr/index.php/irmm/article/view/2042.