Pham Thi Trang, Do Phuc Huong. USING ROLE-PLAYING ACTIVITIES TO ENHANCE SPEAKING SKILLS OF SECOND-YEAR NON-ENGLISH MAJOR STUDENTS: AN ACTION RESEARCH AT A UNIVERSITY IN HUNG YEN. jst [Internet]. 2025Dec.19 [cited 2026Feb.17];48:68-4. Available from: https://jst.utehy.edu.vn/index.php/jst/article/view/836