Fedorenko, Roman V., Natalia P. Persteneva, M. E. Konovalova, and Y. A. Tokarev. “Research of the Regional Service Market in Terms of International Economic Activity’s Customs Registration”. International Journal of Economics and Financial Issues 6, no. 5S (August 13, 2016): 136–144. Accessed November 14, 2024. https://econjournals.com./index.php/ijefi/article/view/2878.