Slepneva, L. R., Tsyrenov, D. D., Kokorina, A. A., Slepneva, J. V., & Munkueva, I. S. (2016). Socio-economic Development of Regions of Russia: Assessment of the State and Directions of Improvement. International Journal of Economics and Financial Issues, 6(2S), 179–187. Retrieved from https://econjournals.com/index.php/ijefi/article/view/2549