Nguyễn, Hưng. “Digital Video-Supported Flipped Instruction And Efl Writing Development”. Journal of Knowledge Learning and Science Technology ISSN: 2959-6386 (online) 5, no. 1 (March 25, 2026): 20–31. Accessed June 16, 2026. https://jklst.org/index.php/home/article/view/374.