1.
Pham TMT, Yeh A. Politeness of Vietnamese Students in Writing Request Email in English: a Course-based and Socio-pragmatic Study . IJLLS [Internet]. 2020 Jun. 8 [cited 2024 Oct. 27];2(2):109-28. Available from: https://ijlls.org/index.php/ijlls/article/view/202