New twelfth order algorithms for solving nonlinear equations by using variational iteration technique. Journal of Prime Research in Mathematics, [S. l.], v. 14, n. 1, p. 24 – 36, 2018. Disponível em: https://jprm.sms.edu.pk/index.php/jprm/article/view/138. Acesso em: 7 dec. 2025.