Katlishin, O. I., y A. S. Baleevskikh. «Analysis of the Dynamics of Gross Domestic Product and External Economic Activity of the Russian Federation for 2013?2018». Amazonia Investiga, vol. 9, n.º 26, febrero de 2020, pp. 146-57, doi:10.34069/AI/2020.26.02.16.