Hotma Rizky Putri Lubis, Sarinah br. Hasibuan, Kanaya Tri Nazwa, Sari Wulandari, and Muhammad Rahmat. 2025. “Quality of Customer Service: Service Satisfaction As a Key at KCP Bank Sumut Syariah: ”. Journal of Economics and Business (JECOMBI) 6 (03):295-305. https://doi.org/10.58471/jecombi.v6i03.151.