PUDELKA, J. The ineffectiveness of contracts for public services. Problems of legality, [S. l.], n. 136, p. 153–160, 2017. DOI: 10.21564/2414-990x.136.93850. Disponível em: http://plaw.nlu.edu.ua/article/view/93850. Acesso em: 19 apr. 2024.