RFM-AR Model for Customer Segmentation using K-Means AlgorithmAli Khumaidi, Herry Wahyono, Risanto Darmawan, Harry Dwiyana Kartika, Nuke L. Chusna and Muhammad Kaisar FauzyE3S Web of Conf., 465 (2023) 02005DOI: https://doi.org/10.1051/e3sconf/202346502005