Nhung, Luu Thi Kim. “A Brief Comparison of Vietnamese Intonation and English Intonation and Its Implications for Teaching English Intonation to Vietnamese EFL Learners”. VNU Journal of Foreign Studies 26, no. 3 (September 15, 2010). Accessed November 23, 2024. https://jfs.ulis.vnu.edu.vn/index.php/fs/article/view/2554.