HOANG , Tra My. CONVERSATIONAL OPENING SEQUENCES IN ENGLISH AND VIETNAMESE CONVERSATIONS AT OFFICES. JOURNAL OF INQUIRY INTO LANGUAGES AND CULTURES, [S. l.], v. 1, n. 2, p. 65–78, 2017. Disponível em: https://jilc.vn/index.php/jilc/article/view/249.. Acesso em: 17 oct. 2026.