Diana, Ayu Sukma Arsy, Budi Eko Soetjipto, and Madziatul Churiyah. 2026. “Analysis Of The Influence Of Product Quality And Promotion & Reward Programs On Customer Loyalty Through Customer Satisfaction In Gold Savings Customers At BSI: Systematic Literature Review (SLR) With Bibliometrics”. Economics and Business Journal (ECBIS) 4 (5):1485-1504. https://doi.org/10.47353/ecbis.v4i5.373.