Supangat S, Mulyani Y. Customer Loyalty Analysis Using Recency,Frequency, Monetary (RFM) and K-means Cluster for Labuan Bajo Souvenirs in Online Store. journalisi [Internet]. 2023 Mar. 7 [cited 2026 Mar. 7];5(1):285-99. Available from: https://www.journal-isi.org/index.php/isi/article/view/421