ПТАЩЕНКО, О. В. EXCHANGE ACTIVITY: CURRENT STATE AND TRENDS. Journal of Strategic Economic Research, [S. l.], n. 4, p. 57–64, 2023. DOI: 10.30857/2786-5398.2023.4.7. Disponível em: http://167.235.6.87:8089/index.php/jseconres/article/view/1374. Acesso em: 26 apr. 2025.