An Approach of Fuzzy Delphi Method (FDM) to Develop the Risk Management Index in Special Education Mathematics. Contemporary Mathematics , [S. l.], v. 5, n. 3, p. 2913–2925, 2024. DOI: 10.37256/cm.5320243545. Disponível em: https://ojs353.mebyme.cn/index.php/CM/article/view/3545. Acesso em: 24 dec. 2025.