Imanurrovi, F., & Himmati, R. (2023). The Effect of Frontliner Services and Relationship Marketing on Customer Loyalty at Bank Muamalat Indonesia Madiun Sub-Branch Office. EKSISBANK (Ekonomi Syariah Dan Bisnis Perbankan), 7(2), 210-223. https://doi.org/10.37726/ee.v7i2.866