Huy, T., Khanh, P., Van Anh, K., Thong, N., Hieu, T., Quynh, L., Tuan, N., & Thu, N. (2022). Designing Teaching Process for Stem Topic “Traffic Signal Lights” for Upper-secondary School Students. VNU Journal Of Science: Education Research, 38(2). doi:10.25073/2588-1159/vnuer.4570