Nguy Van T. Enhancing Students’ Acquisition in Learning English for Specific Purposes by the Flipped Classroom Model : A Case Study at Nghe an University of Economics. J. Knowl. Learn. Sci. Technol. [Internet]. 2023 Jul. 15 [cited 2025 Oct. 1];2(2):14-21. Available from: https://jklst.org/index.php/home/article/view/28