Syahputra, R., & Maryam Batubara. (2025). The Influence of Service Quality on Customer Satisfaction at PT BBRS Al-Washliyah Medan. Al-Mashrafiyah: Jurnal Ekonomi, Keuangan, Dan Perbankan Syariah, 9(1), 148–162. https://doi.org/10.24252/al-mashrafiyah.v9i1.60464