CZEPITA, Stanisław. On the concept of a conventional act and its types. Ruch Prawniczy, Ekonomiczny i Socjologiczny, [S. l.], v. 79, n. 1, p. 85–102, 2017. DOI: 10.14746/rpeis.2017.79.1.7. Disponível em: https://pressto.amu.edu.pl/index.php/rpeis/article/view/9160. Acesso em: 18 jul. 2024.