Nguy Van, Thuy. “Enhancing Students’ Acquisition in Learning English for Specific Purposes by the Flipped Classroom Model : A Case Study at Nghe an University of Economics”. Journal of Knowledge Learning and Science Technology ISSN: 2959-6386 (online) 2, no. 2 (July 15, 2023): 14–21. Accessed October 1, 2025. https://jklst.org/index.php/home/article/view/28.