RIZAL, R., D. HAFIDHUDDIN, and Q. AYUNIYYAH. “ANALISIS KAIDAH URF PADA FATWA DSN – MUI NO 54 TENTANG SYARIAH CARD”. Kasaba: Jurnal Ekonomi Islam, vol. 16, no. 1, Sept. 2024, pp. 13-22, http://150.107.142.43/index.php/Kasaba/article/view/17686.