Fitri Marisa, Sarifah Shakinah Syed Ahmad, Zeratul Izzah Mohd Yusof, Fachrudin Hunaini, Tubagus Mohammad Akhriza Aziz. Segmentation Model of Customer Lifetime Value in Small and Medium Enterprise (SMEs) using K-Means Clustering and LRFM Model. IJIE. 2019;11(3). Accessed April 9, 2026. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/4661