“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”. 2024. BAITUL MAAL : Journal of Sharia Economics 1 (2): 48-65. https://journal.manarulilmi.org/index.php/jse/article/view/9.