Putri, H. D. . and Syarvina , W. . (2022) “Service Factors to Increase Loyalty and Number of Priority Customers (Case Study of PT. Bank Sumut Syariah Binjai Sub-Branch)”, Jurnal Ekonomi, Manajemen, Akuntansi dan Keuangan, 3(2), pp. 567–574. doi: 10.53697/emak.v3i2.507.