PODSTAWKA, Marian; PODSTAWKA, Łukasz. Farm income and its taxation. Ekonomia i Prawo. Economics and Law, [S. l.], v. 20, n. 3, p. 603–615, 2021. DOI: 10.12775/EiP.2021.036. Disponível em: https://apcz.umk.pl/EiP/article/view/36957. Acesso em: 8 jul. 2025.