[1]
Pham , T.M.T. and Yeh, A. 2020. Politeness of Vietnamese Students in Writing Request Email in English: a Course-based and Socio-pragmatic Study . International Journal of Language and Literary Studies. 2, 2 (Jun. 2020), 109–128. DOI:https://doi.org/10.36892/ijlls.v2i2.202.