Homsombat, Poolsak. “The Flipped Classroom Model: A 21st Century Approach to Student Engagement”. Insights into Modern Education (i-ME) 2, no. 3 (May 1, 2025): 47–60. accessed June 26, 2025. https://so19.tci-thaijo.org/index.php/IME/article/view/1591.