2018, Volume 56 Number 2. Contents. <b>Vietnam Journal of Science and Technology</b>, Hanoi, VN, v. 56, n. 2, 2018. DOI: 10.15625/2525-2518/56/2/12277. Disponível em: https://vjs.ac.vn/jst/article/view/12277. Acesso em: 11 jan. 2026.