Limkanjanawat, P., and S. . Pongpisanu. “The Development of English Speaking by Using Tiktok Application with Flipped Classroom Learning”. Saengtham College Journal, vol. 16, no. 2, Dec. 2024, pp. 79-95, https://so01.tci-thaijo.org/index.php/scj/article/view/266540.