DUONG THU HA. AI-MEDIATED FEEDBACK AND IELTS SPEAKING PERFORMANCE: AN INVESTIGATION INTO STUDENT PROGRESS AND PERCEPTIONS. HNUE Journal of Science: Journal of Educational Science, [S. l.], v. 71, n. 6, p. 34–43, 2026. DOI: 10.18173/2354-1075.2026-%x. Disponível em: https://hnuejs.edu.vn/es/article/view/1502. Acesso em: 14 oct. 2026.