Ngoc Quynh, N.T., Quynh Yen, N.T., Thu Hien, T.T., Phuong Thao, N.T., Sao, B.T., Chi, N.T. and Hoa, N.Q. 2020. THE EFFECTIVENESS OF VSTEP.3-5 SPEAKING RATER TRAINING. VNU Journal of Foreign Studies. 36, 4 (Oct. 2020). DOI:https://doi.org/10.25073/2525-2445/vnufs.4577.