HOA, Dinh Thi Phuong. Washback of English Proficiency Test in Classroom Activities at National University of Arts Education. VNU Journal of Science: Education Research, [S.l.], v. 36, n. 1, feb. 2020. ISSN 2588-1159. Available at: <https://js.vnu.edu.vn/ER/article/view/4335>. Date accessed: 22 nov. 2024. doi: https://doi.org/10.25073/2588-1159/vnuer.4335.