ГУСАР, О. А. Problems of legal regulation of bilingualism in UKRAINE. Scientific works of Kyiv Aviation Institute. Series Law Journal "Air and Space Law", [S. l.], v. 2, n. 3, p. 62–66, 2007. DOI: 10.18372/2307-9061.3.11597. Disponível em: http://jrnl.kai.edu.ua/index.php/UV/article/view/11597. Acesso em: 14 jun. 2026.