MUTTAQIN, Sayyid. A Fiqh Muamalah Analysis Of Merchant Discount Rate (MDR) In Qris Transactions and Its Implications For Economic Justice. International Journal of Management and Business Economics, [S. l.], v. 4, n. 3, p. 515–523, 2026. DOI: 10.58540/ijmebe.v4i3.1624. Disponível em: https://www.putrapublisher.org/index.php/jamis/article/view/1624. Acesso em: 21 jun. 2026.