Athiworakun, C., Pawabunsiriwong, K., Astsawaraksawong, N., & Adunyarittigun, D. (2026). The Washback Effects of the Thai General Aptitude Test (TGAT1) (English Communication) on Teaching in the Upper Secondary School Level in the Bangkok Area . LEARN Journal: Language Education and Acquisition Research Network, 19(2), 532–557. https://doi.org/10.70730/ZMWP9429