Pham, Thi Hong Que. 《Enhancing Students’ English Oral Communication Skills through Role-Play Activities: A Case Study at Hanoi University of Natural Resources and Environment》. 知识学习与科学技术期刊 ISSN:2959-6386(在线) 4, no. 3 (十月 14, 2025): 119–127. 见于 九月 7, 2026. https://jklst.org/index.php/home/article/view/348.