HOLUBOVA, H. V. Application of Index Models in Assessing the Foreign Economic Activity of Ukraine . Statistics of Ukraine, [S. l.], v. 84, n. 1, p. 24–34, 2019. DOI: 10.31767/su.1(84)2019.01.03. Disponível em: https://su-journal.com.ua/index.php/journal/article/view/230. Acesso em: 16 jul. 2026.