https://jurnal.stiebi.ac.id/index.php/Jebi <p align="justify"><strong>Jurnal Ekonomi Bisnis Indonesia. </strong>The International Journal published by Sekolah Tinggi Ilmu Ekonomi Bisnis Indonesia. This journal focused on Economics, Business and Management studies. The Journal is published twice a year. The aim of the journal is to disseminate the Economics, Business and Management researches done by researchers both from Indonesian and overseas. The language used in Jebi since 2006 is English. Jurnal Ekonomi Bisnis Indonesia). Therefore, all articles published by JEBI (Jurnal Ekonomi Bisnis Indonesia) will have unique DOI number. Jurnal Ekonomi Bisnis Indonesia) ; indexed by Goggle Scholar, Portal Garuda, Indonesia One Search, ISJD LIPI, etc.</p> en-US JEBI | Jurnal Ekonomi Bisnis Indonesia https://jurnal.stiebi.ac.id/index.php/Jebi/article/view/499 <p>This study aims to examine the effect of service marketing performance on loyalty of savers at Bank South Jakarta. The research method used multiple regression and correlation analysis, where the number of samples is determined by using the number of 100 savers. The results showed that the value of correlation (R) of 0.721 which means showing the correlation/strong relationship between People, Process and Physichal Evindenc to Loyalty of the Customer. As for the coefficient of determination seen from the figure on Adjusted R Square of 0.505 it shows that the percentage contribution of independent variables of People, Process, and Physichal Evidence can contribute influence of 50.5% on the dependent variable Customer Loyalty, and the remaining 49.5 % Influenced by other variables not included in this research model.</p> Muhammad Ichwan Hamzah Rio Trisasmita Rachmat Pramukty Febri D Hasibuan Arnoldy Eriklex Donald Copyright (c) 2025 2025-06-21 2025-06-21 20 01 1 13