Bulychev, L. L., Ivanova, E. A., Khominich, I. P., Gureva, M. A., & Yekomasova, D. Y. (2016). Areas of Economic as the Factor of Improvement Regional Competitiveness. International Journal of Economics and Financial Issues, 6(8S), 173–178. Retrieved from https://econjournals.com./index.php/ijefi/article/view/3725