Lastri, Novelma, Dwi Hartutik, Andi Desy Musdiana, and S. Suherman. 2025. “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 5 (2):379-85. https://doi.org/10.52970/grmapb.v5i2.975.