TRAN, Thom Thi; BUI THI THU, Hoai; NGUYEN DINH, Kien. Free vibration of agglomerated carbon nanotube reinforced composite sandwich beam using an enriched finite beam element . <b>Vietnam Journal of Science and Technology</b>, Hanoi, VN, v. 63, n. 4, p. 806–819, 2025. DOI: 10.15625/2525-2518/17640. Disponível em: https://vjs.ac.vn/jst/article/view/17640. Acesso em: 9 jan. 2026.