Fedorenko, R. V., Persteneva, N. P., Konovalova, M. E., & Tokarev, Y. A. (2016). Research of the Regional Service Market in Terms of International Economic Activity’s Customs Registration. International Journal of Economics and Financial Issues, 6(5S), 136–144. Retrieved from https://econjournals.com./index.php/ijefi/article/view/2878