AZIZAH KURINCI, Ayu Ismah; DALIMUNTE, Ahmad Amin. Peranan Customer Service Dalam Peningkatan Loyalitas Pelayanan Nasabah Pada PT Bank Sumut KCP Syariah Simpang Kayu Besar. Ecobankers : Journal of Economy and Banking, [S. l.], v. 3, n. 2, p. 140–146, 2022. DOI: 10.47453/ecobankers.v3i2.621. Disponível em: https://jurnal.uibbc.ac.id/index.php/EcoBankers/article/view/621. Acesso em: 13 jun. 2026.