Sirichana, T., and B. . Insombat. “The Effects of Learning Management by 4 Mat With Role-Playing on Chinese Listening and Speaking Ability of Matthayomsuksa 4 Students”. Education Journal Faculty of Education, Nakhon Sawan Rajabhat University, vol. 6, no. 1, Apr. 2023, pp. 11-22, https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/258201.