ХОРТЮК, Олександра Василівна. Classification of trademarks and their legal significance. Scientific works of Kyiv Aviation Institute. Series Law Journal "Air and Space Law", [S. l.], v. 2, n. 11, p. 79–83, 2010. DOI: 10.18372/2307-9061.11.8541. Disponível em: https://jrnl.kai.edu.ua/index.php/UV/article/view/8541. Acesso em: 19 oct. 2026.