Development of the National Economies and the Foreign Trade Relations between Ukraine and Bulgaria (In the Period 2005-2014). Journal of Empirical Studies, [S. l.], v. 3, n. 1, p. 7–20, 2016. DOI: 10.18488/journal.66/2016.3.1/66.1.7.20. Disponível em: https://archive.conscientiabeam.com/index.php/66/article/view/2480. Acesso em: 20 sep. 2026.