Doan, V. K. (2025). Using Shadowing Technique to Improve English-Majored Sophomores’ English Speaking Skills 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(3), 55–71. https://doi.org/10.60087/jklst.vol4.n3.005