CHEN, N.; RIBEIRO, B.; CHEN, A. Using Non-negative Matrix Factorization for Bankruptcy Analysis. INFOCOMP Journal of Computer Science, [S. l.], v. 10, n. 4, p. 57–64, 2011. Disponível em: https://infocomp.dcc.ufla.br/index.php/infocomp/article/view/342. Acesso em: 3 may. 2024.