KOZLOV, V. V.; TOMASHEVSKA, T. V. Analysis of the Performance of Electronic Commerce in Ukraine. Statistics of Ukraine, [S. l.], n. 2(77), p. 34–38, 2017. DOI: 10.31767/su.2(77).2017.02.05. Disponível em: https://su-journal.com.ua/index.php/journal/article/view/108. Acesso em: 27 jun. 2026.