HÀ, T. N.; THỦY, N. T. Counter - propagation network for character recognition. Journal of Computer Science and Cybernetics, [S. l.], v. 14, n. 2, p. 13–18, 2016. DOI: 10.15625/1813-9663/14/2/7894. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/7894. Acesso em: 3 may. 2024.