Khumdumrongkiet, C., N. . Sanamad, W. Hunglien, and S. . Phupanna. “The Improving of Chinese Speaking Skills Using Role-Play Activities for Chinese Teaching Major Students, Faculty of Education, Rajabhat Maha Sarakham University”. Journal of Education Rajabhat Maha Sarakham University, vol. 20, no. 3, Dec. 2023, pp. 23-31, https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/265029.