Phan Ha , U., & Nguyen , A. (2024). Difficulties of EFL teachers in teaching speaking skills: A case study at Trinh Hoai Duc Primary School. 知识学习与科学技术期刊 ISSN:2959-6386(在线), 3(2), 143-161. https://doi.org/10.60087/jklst.vol3.n2.p161