Ade Carlo Tiganna Damanik, Nazaruddin and Yeni Absah 2023. THE INFLUENCE OF SERVICE QUALITY ON CUSTOMER LOYALTY IS MEDIATED BY SATISFACTION VARIABLES (STUDY OF CUSTOMER PERCEPTIONS ON BANK MANDIRI UNIT KUALA TANJUNG BRANCH BATUBARA DISTRICT, NORTH SUMATRA PROVINCE). MORFAI JOURNAL. 3, 3 (Oct. 2023), 694–703. DOI:https://doi.org/10.54443/morfai.v3i3.1252.