Hien, T. T. T. An Investigation into the Errors in Pronouncing English Long and Short Vowels of English-Majored Juniors in University of Da Nang-University of Foreign Language Studies.

Hien, Tran Thi Thu. An Investigation Into the Errors in Pronouncing English Long and Short Vowels of English-Majored Juniors in University of Da Nang-University of Foreign Language Studies.

Hien, Tran Thi Thu. An Investigation Into the Errors in Pronouncing English Long and Short Vowels of English-Majored Juniors in University of Da Nang-University of Foreign Language Studies.