ĆWIK-BURY, Agata. Empty invoices. A few notes. Tax Law Quarterly, [S. l.], n. 1, p. 63–91, 2023. DOI: 10.18778/1509-877X.2023.01.04. Disponível em: https://www.czasopisma.uni.lodz.pl/tax/article/view/16787. Acesso em: 8 dec. 2025.