Donpan, W., R. Tongsookdee, P. Leosiripong, and S. Vittayakorn. “ENHANCING ADDITION SKILLS OF A CHILD WITH BORDERLINE INTELLECTUAL DISABILITIES USING STEAM BASED EDUCATION PROJECT”. Journal of Social Science and Cultural, vol. 7, no. 7, July 2023, pp. 216-25, https://so06.tci-thaijo.org/index.php/JSC/article/view/266303.