Yusuf, Mahmud. “Sharia Card: An Alternative For Islamic Payment”. At-Taradhi: Jurnal Studi Ekonomi 13, no. 1 (June 16, 2022): 19–30. Accessed June 12, 2026. http://jurnal.uin-antasari.ac.id/index.php/taradhi/article/view/6340.