DOAN HUYNH CONG SON; TRUONG NGOC SON. Design of voice communication-based teaching assistant robot. Journal of Technical Education Science, [S. l.], v. 15, n. 6, p. 48–54, 2020. Disponível em: https://www.jte.edu.vn/index.php/jte/article/view/26. Acesso em: 7 apr. 2026.