Sakachan, Supitchaya, Maliwan Phattarachaleekul, and Nipaporn Chutiman. “The Development of Mathematics Learning Activities Using TGT Cooperative Learning with eDLTV Media to Promote Mathematics Problem-Solving Ability on Decimal for Prathomsuksa 4 Students”. Journal of Education Rajabhat Maha Sarakham University 19, no. 3 (December 27, 2022): 157–166. accessed September 11, 2026. https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/261144.