Souysaart, Thidaporn, et al. “Fostering Elementary Students’ Problem-Solving Skills and Scientific Mindset through Engineering Design: Evidence from a Rural STEM Camp in Thailand”. Journal of Science and Mathematics Letters, vol. 14, no. 2, Apr. 2026, pp. 222-35, https://doi.org/10.37134/jsml.vol14.2.5.2026.