黃雅菁劉德馨2023-11-222023-11-222023https://scholars.lib.ntu.edu.tw/handle/123456789/637284zh越南平聲變體與越南學生華語聲調偏誤之相關性 = Correlation Between Variations of Vietnamese Tone Ngang and Mandarin Tone Errors by Vietnamese Learnersjournal article