SIDIKNAZAROVA, Z. CLASSIFICATION OF COURTESY IN COMMUNICATION. Журнал иностранных языков и лингвистики, [S. l.], v. 5, n. 5, 2023. Disponível em: https://ppmedu.jdpu.uz/index.php/fll/article/view/8116. Acesso em: 1 май. 2025.