CẬN, N. N. Hệ TV – 86. Journal of Computer Science and Cybernetics, [S. l.], v. 3, n. 3, p. 21–22, 2018. DOI: 10.15625/1813-9663/3/3/12807. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/12807. Acesso em: 6 may. 2024.