PUTRI NUR HIDAYAH. THE USE OF UN/MARKED CODE TO SHOW POLITENESS AMONG MULTILINGUAL CUSTOMERS. Celtic : A Journal of Culture, English Language Teaching, Literature and Linguistics, [S. l.], v. 8, n. 2, p. 177–189, 2021. DOI: 10.22219/celtic.v8i2.16692. Disponível em: https://ejournal.umm.ac.id/index.php/celtic/article/view/16692. Acesso em: 25 nov. 2024.