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), 页 55–71. doi:10.60087/jklst.vol4.n3.005.