Rojanabenjakun, Phannee, Sriprarinya Toopgrajank, and Chandej Charoenwiriyakul. “Factors affect the Effectiveness of Learning English Language on Higher Education Students”. Journal of the Association of Researchers 23, no. 2 (May 20, 2020): 203–214. accessed October 8, 2026. https://so04.tci-thaijo.org/index.php/jar/article/view/242088.