PONOMAREVA, Karina. Principles of subsidiarity and proportionality in European tax law. Financial Law Review, [S. l.], n. 10(2), p. 61–72, 2018. DOI: 10.4467/22996834FLR.18.011.9141. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/flr/article/view/1924. Acesso em: 21 may. 2024.