Jiang, Zheng, Pacharaporn Suphakit, and Pornpirom Lhongsap. “Effectiveness of Flipped Classroom Teaching Activities on Learning Achievement of Second-Year Teacher Students in Vocational Colleges”. Journal of Education Mahasarakham University 20, no. 3 (September 30, 2026): 42–56. accessed October 9, 2026. https://so09.tci-thaijo.org/index.php/JOEMSU/article/view/9031.