Mustofa J, Muttaqin R, Rosdiana Effendi R. Islamic Business Ethics in Mobile Credit and Data Package Transactions in The Digital Era: A Fiqh Muamalah Perspective on Mobile Credit Mark-Up Pricing Practices. hikmah [Internet]. 2026 Mar. 16 [cited 2026 Apr. 16];23(1):1-11. Available from: https://www.e-jurnal.staisumatera-medan.ac.id/index.php/hikmah/article/view/640