D. A. Klyuchnikov, R. A. Shichiyakh, E. P. Kolpak, V. A. Tupchienko, V. M. Volodin, and A. K. Isaev, “Features of Social and Economic Support of the Territorial Subjects of the Russian Federation”, IJEFI, vol. 6, no. 8S, pp. 234–239, Dec. 2016.