JAVED, S. A. Posterior Variance Test: Ex ante Evaluation of Grey Forecasting model. International Journal of Grey Systems, [S. l.], v. 3, n. 1, p. 17–28, 2023. DOI: 10.52812/ijgs.71. Disponível em: https://publish.thescienceinsight.com/index.php/ijgs/article/view/71. Acesso em: 28 jun. 2025.