JAVED, S. A. Editorial. International Journal of Grey Systems, [S. l.], v. 1, n. 1, p. 4, 2021. DOI: 10.52812/ijgs.22. Disponível em: https://publish.thescienceinsight.com/index.php/ijgs/article/view/22. Acesso em: 5 feb. 2025.