AL-JANABI, Kamil. The impact of the IP BOX tax relief on the effective tax rate. Kwartalnik Nauk o Przedsiębiorstwie, [S. l.], v. 73, n. 3, p. 71–86, 2024. Disponível em: https://econjournals.sgh.waw.pl/KNoP/article/view/4691. Acesso em: 8 nov. 2024.