Suttirak, N., A. . Mejang, and S. . Yiemkuntitavorn. “The Effects of Learning Management Basing on Integrating Communicative Language Teaching With Learning Strategies to Develop English Speaking Ability of Mattayomsuksa 3 Students in Schools under the Secondary Educational Service Area Office Nakhon Si Thammarat”. Journal of Graduate Research, vol. 14, no. 1, June 2023, pp. 1-16, https://so02.tci-thaijo.org/index.php/banditvijai/article/view/258704.