Ngoc Quynh NT, Quynh Yen NT, Thu Hien TT, Phuong Thao NT, Sao BT, Chi NT, et al. THE EFFECTIVENESS OF VSTEP.3-5 SPEAKING RATER TRAINING. JFS [Internet]. 2020 Oct. 2 [cited 2024 Nov. 21];36(4). Available from: https://jfs.ulis.vnu.edu.vn/index.php/fs/article/view/4577