An Implementation of Loyalty Program Theory Based on Recency Frequency Monetary Score in Information Systems to Increase Customer Loyalty. J. Inf. Syst. Explor. Res. [Internet]. 31. siječanj 2025. [citirano 25. kolovoz 2026.];3(1):45-52. Dostupno na: https://shmpublisher.com/index.php/joiser/article/view/538