KALINOWSKI, Marek; PREJS, Ewa. On the need to regulate the legal concept of paying agents withholding taxes at source. Studia Iuridica Toruniensia, [S. l.], v. 30, p. 197–216, 2022. DOI: 10.12775/SIT.2022.010. Disponível em: https://apcz.umk.pl/SIT/article/view/40032. Acesso em: 5 feb. 2025.