“Analysis of Customer Literacy on the Use of Marhamah Savings Products at Bank Sumut KCP Syariah Panyabungan: Analisis Literasi Nasabah Pada Penggunaan Produk Tabungan Marhamah  Di Bank Sumut KCP Syariah Panyabungan”. BAITUL MAAL : Journal of Sharia Economics, vol. 1, no. 2, Aug. 2024, pp. 48-65, https://journal.manarulilmi.org/index.php/jse/article/view/9.