GORĄCY, Jarosław. Article 33a of the VAT Act - Improved Financial Liquidity for Importers in Poland and the Risk of Abuse. Metody Ilościowe w Badaniach Ekonomicznych, [S. l.], v. 27, n. 3, p. 143–165, 2026. DOI: 10.22630/MIBE.2026.27.3.11. Disponível em: https://qme.sggw.edu.pl/article/view/12093. Acesso em: 2 paź. 2026.