Dương Thị Ngọc Loan, & Ngu Thien Hung Ph.D huong dan. (2011). An Investigation into Errors in Pronouncing Ending Sounds Made by Students at Phu Xuan University. ĐH Hue.
Chicago Style aipamenaDương Thị Ngọc Loan, và Ngu Thien Hung Ph.D huong dan. An Investigation Into Errors in Pronouncing Ending Sounds Made By Students At Phu Xuan University. ĐH Hue, 2011.
MLA aipamenaDương Thị Ngọc Loan, và Ngu Thien Hung Ph.D huong dan. An Investigation Into Errors in Pronouncing Ending Sounds Made By Students At Phu Xuan University. ĐH Hue, 2011.
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