UGLI , Mukhriddin Aktamov Uktam. Is Learning a Language Really Hard or Easy?. Miasto Przyszłości, [S. l.], v. 52, p. 404–406, 2024. Disponível em: https://miastoprzyszlosci.com.pl/index.php/mp/article/view/4619. Acesso em: 1 sep. 2025.