Huynh, Thi Nha Nha. “Difficulties in Speaking English of Second-Year English Major Students at University of Phan Thiet”. The University of Phan Thiet Journal of Science, vol. 3, no. 1, Mar. 2025, pp. 60-76, https://tapchikhoahocupt.vn/index.php/uptjs/article/view/48.