CZERNIAK, Andrzej. Institutions fulfilling the function of a central contracting body in public procurment law. Ius Novum, Warszawa, Poland, v. 12, n. 1, p. 83–100, 2018. DOI: 10.26399/iusnovum.v12.1.2018.05/a.czerniak. Disponível em: https://iusnovum.lazarski.pl/iusnovum/article/view/993. Acesso em: 19 kwi. 2024.