Limprasittiporn, P. . and Korbuakaew, T. . . (2020) “Designing of Stem Education-Based Learning Activity on Mathematical Skills and Processes for Matthayomsuksa 3 Level”, Journal of Graduate Research, 11(1), pp. 29–41. Available at: https://so02.tci-thaijo.org/index.php/banditvijai/article/view/241283 (Accessed: 29 March 2024).