PIĄTEK, Wojciech. Discretionary Power of Public Administration. Its Scope and Control, edited by Leszek Leszczyński and Adam Szot. Ruch Prawniczy, Ekonomiczny i Socjologiczny, [S. l.], v. 80, n. 3, p. 248–251, 2018. DOI: 10.14746/rpeis.2018.80.3.20. Disponível em: https://pressto.amu.edu.pl/index.php/rpeis/article/view/16514. Acesso em: 5 maj. 2024.