KUDŁA, J. Changes In European Tax Systems During Economic Downturn. Oeconomia Copernicana, [S. l.], v. 1, n. 1, p. 7–23, 2010. DOI: 10.12775/OeC.2010.001. Disponível em: https://apcz.umk.pl/OeC/article/view/OeC.2010.001. Acesso em: 18 jul. 2024.