KỶ, N. N. Method of structural representation of characters using vectorisation. Journal of Computer Science and Cybernetics, [S. l.], v. 16, n. 1, p. 72–79, 2013. DOI: 10.15625/1813-9663/16/1/2854. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/2854. Acesso em: 18 jul. 2024.