SPEECH ETIQUETTE AND CONCEPT “GRATITUDE” IN RUSSIAN, UZBEK AND ENGLISH LANGUAGES. American Journal of Research in Humanities and Social Sciences, [S. l.], v. 8, p. 41–47, 2023. Disponível em: https://americanjournal.org/index.php/ajrhss/article/view/342. Acesso em: 26 nov. 2025.