wansri, charoenchai, M. Phattarachaleekul, and N. Chutiman. “Development of Learning Management Model on Constructivist Theory with DLIT Media to Promote Problem-Solving Ability in Mathematics on Probability for Mathayomsuksa 5 Students”. Journal of Education Rajabhat Maha Sarakham University, vol. 20, no. 1, Apr. 2023, pp. 165-74, https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/257435.