БАЛЬЦ, Д. А. THE CONCEPT OF CHANGING THE LABOUR AGREEMENT TERMS AND ITS CORRELATION WITH THE RELATED LEGAL CONCEPTS. Scientific works of Kyiv Aviation Institute. Series Law Journal "Air and Space Law", [S. l.], v. 1, n. 58, p. 120–127, 2021. DOI: 10.18372/2307-9061.58.15318. Disponível em: http://jrnl.kai.edu.ua/index.php/UV/article/view/15318. Acesso em: 14 jun. 2026.