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]. 2025. január 31. [idézi 2026. augusztus 25.];3(1):45-52. Elérhető: https://shmpublisher.com/index.php/joiser/article/view/538