An Implementation of Loyalty Program Theory Based on Recency Frequency Monetary Score in Information Systems to Increase Customer Loyalty. J. Inf. Syst. Explor. Res. [网际网络]. 2025年1月31日 [见引于 2026年8月25日];3(1):45-52. 载于: https://shmpublisher.com/index.php/joiser/article/view/538