Nhung, L.
(2010).
 A brief comparison of Vietnamese intonation and English intonation and its implications for teaching English intonation  to Vietnamese EFL learners.
<em>VNU Journal Of Foreign Studies, 26</em>(3).
Retrieved from <a href="https://js.vnu.edu.vn/FS/article/view/2554" target="_new">https://js.vnu.edu.vn/FS/article/view/2554</a>