ZAVADSKYI, Vitaliy N. et al. European Union Enlargement in 2004: System Analysis of the Benefits and Losses. Journal of Advanced Research in Law and Economics, [S.l.], v. 10, n. 6, p. 1714-1722, sep. 2019. ISSN 2068-696X. Available at: <https://journals.aserspublishing.eu/jarle/article/view/4942>. Date accessed: 25 jan. 2022.