Vasheghani J, Zandi F, Afsharirad M, Khezri M. Estimating the Underground Economy Using Fuzzy Indexation and the MIMIC Model within a SEM Framework. BMF OPEN [Internet]. 2027 Mar. 1 [cited 2026 Jun. 7];:1-19. Available from: https://www.bmfopen.com/index.php/bmfopen/article/view/471