KAYED, M. A. .; AL-SHBOUL, O. .; AHMAD, W. A. .; AMMARI, R. . A linguistic study of politeness in academic request emails sent by undergraduates to their professors in Jordan. International Journal of English Language and Literature Studies, [S. l.], v. 13, n. 4, p. 531–543, 2024. DOI: 10.55493/5019.v13i4.5249. Disponível em: https://archive.aessweb.com/index.php/5019/article/view/5249. Acesso em: 22 dec. 2024.