Thi Binh, L. et al. 2026. DESIGNING AND IMPLEMENTING A STEM-S LESSON ON THE TOPIC OF “MAKING FOLK TOYS” IN GRADE 4 TECHNOLOGY. Journal of Science Educational Science. 71, 1 (Jan. 2026), 158–169. DOI:https://doi.org/10.18173/2354-1075.2026-0016.