Mongkholsiriwattana C, Precharattana M. STEM-Based Gear Activities for Enhancing Understanding and Satisfaction in a Thai Multi-Grade Engineering Class. AsTEN Journal [Internet]. 2025 Nov. 26 [cited 2026 Oct. 23];. Available from: https://po.pnuresearchportal.org/ejournal/index.php/asten/article/view/3352