Khongmark, S. and Tansui, D. (2026) “Customer Segmentation using WRFM-Based Feature Representation with K-Means and PCA”, Journal of Multidisciplinary Academic Research and Development (JMARD). Bangkok, Thailand, 8(2), pp. 41–71. available at: https://he02.tci-thaijo.org/index.php/JMARD/article/view/278038 (accessed: 28 August 2026).