AKEYEDE, I. Performance of Some Nonlinear Time Series Models on Non-Stationary Data. Benin Journal of Statistics, [S. l.], v. 4, n. 1, p. 75– 89, 2021. Disponível em: https://bjs-uniben.org/index.php/home/article/view/37. Acesso em: 17 jun. 2026.