ZAHRATUN AINI; NURUL INAYAH; FAUZI ARIF LUBIS. Implementation Of Warning Letter Procedures In Handling Murabahah Non-Performing Financing: Evidence From Bank Sumut Syariah KCP Panyabungan. Al-Mashrafiyah: Jurnal Ekonomi, Keuangan, dan Perbankan Syariah, [S. l.], v. 10, n. 1, p. 157–177, 2026. Disponível em: https://journal.uin-alauddin.ac.id/index.php/almashrafiyah/article/view/69907. Acesso em: 23 oct. 2026.