PRATAMA, Zenda; HIDAYAT, Fatah; LUBIS, Ramiah. TINJAUAN HUKUM EKONOMI SYARIAH TERHADAP JAMINAN PADA INVESTASI DIGITAL CYRONIUM COIN. Muamalah, [S. l.], v. 6, n. 2, p. 143–162, 2021. DOI: 10.19109/muamalah.v6i2.7983. Disponível em: https://jurnal.radenfatah.ac.id/index.php/Almuamalah/article/view/7983.. Acesso em: 2 apr. 2025.