Sudapan, K., S. Songsanit, and W. Sakorn. “The Enhancement of Achievement Motivation Using TGT Blended Learning for Grade VI Students of Banphontun School”. Journal of Education Rajabhat Maha Sarakham University, vol. 19, no. 3, Dec. 2022, pp. 25-34, https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/261131.