LASTRI, Novelma; HARTUTIK, Dwi; MUSDIANA, Andi Desy; SUHERMAN, S. Optimizing Service Delivery for Customer Satisfaction: Qualitative Study from PT. Bank Syariah Indonesia, Tbk Dumai Branch Office, Indonesia. Golden Ratio of Marketing and Applied Psychology of Business, [S. l.], v. 5, n. 2, p. 379–385, 2025. DOI: 10.52970/grmapb.v5i2.975. Disponível em: https://goldenratio.id/index.php/grmapb/article/view/975. Acesso em: 16 apr. 2026.