CIAK, Jolanta Maria; GRUSZCZYŃSKA, Agnieszka. Goods and services tax in the tax systems of selected countries of the European Union: a case study. Ekonomia i Prawo. Economics and Law, [S. l.], v. 18, n. 3, p. 269–282, 2019. DOI: 10.12775/EiP.2019.019. Disponível em: https://apcz.umk.pl/EiP/article/view/EiP.2019.019. Acesso em: 3 jul. 2025.