Pham THQ. Enhancing Students’ English Oral Communication Skills through Role-Play Activities: A Case Study at Hanoi University of Natural Resources and Environment. J. Knowl. Learn. Sci. Technol. [Internet]. 2025 Oct. 14 [cited 2026 Sep. 7];4(3):119-27. Available from: https://jklst.org/index.php/home/article/view/348