RETRACTED. Retracted. Mathematical Statistician and Engineering Applications, [S. l.], v. 70, n. 1, p. 27–38, 2021. DOI: 10.17762/msea.v70i1.2012. Disponível em: https://philstat.org/index.php/MSEA/article/view/2012. Acesso em: 3 jul. 2024.