Phạm, T. H. (2015). The effects of self-recorded video portfolios on non-english major students' speaking performance: Master of education. Program: Principles and methods in English language education. Cần Thơ: Trường Đại học Cần Thơ.
শিকাগো স্টাইলে সাইটেশনPhạm, Trung Hiếu. The Effects of Self-recorded Video Portfolios On Non-english Major Students' Speaking Performance: Master of Education. Program: Principles and Methods in English Language Education. Cần Thơ: Trường Đại học Cần Thơ, 2015.
এমএলএ সাইটেশনPhạm, Trung Hiếu. The Effects of Self-recorded Video Portfolios On Non-english Major Students' Speaking Performance: Master of Education. Program: Principles and Methods in English Language Education. Cần Thơ: Trường Đại học Cần Thơ, 2015.