Kongkwamsue, Chertchan. “Developing a STEAM-Based ‘DIY Waste-to-Use’ Activity Package to Enhance Creative Innovation Skills in Grade 9 Students”. Journal of Education & Learning Development Innovation 4, no. 1 (December 22, 2025): 24–36. accessed September 17, 2026. https://so15.tci-thaijo.org/index.php/JELDI/article/view/2395.