KARPOWICZ, Andrzej. Income tax grouping as tax management tool: lessons from EU with focus on Poland. Business: Theory and Practice, [S. l.], v. 21, n. 2, p. 675–685, 2020. DOI: 10.3846/btp.2020.11909. Disponível em: https://journals.vilniustech.lt/index.php/BTP/article/view/11909. Acesso em: 12 may. 2025.