AHMAD @ SALLEH, S.; YAAKUB, E.; SHAHRUDDIN, M. S. Fiat Currency : Halal That Which Is Not Tayyib: Wang Fiat: Halal Yang Tidak Tayyib. Journal of Contemporary Islamic Studies, [S. l.], v. 3, n. 2, 2025. Disponível em: https://journal.uitm.edu.my/ojs/index.php/JCIS/article/view/8132. Acesso em: 8 dec. 2025.