Thi Binh L, Thi Khanh Hoa N, Ban Thi Mai Hien L, Linh Trang N, Thi Thuy Nga N, Thu Thuy N. DESIGNING AND IMPLEMENTING A STEM-S LESSON ON THE TOPIC OF “MAKING FOLK TOYS” IN GRADE 4 TECHNOLOGY. HNUE Journal of Science: Educational Science [Internet]. 2026 Jan. 30 [cited 2026 Feb. 1];71(1):158-69. Available from: https://hnuejs.edu.vn/es/article/view/1166