Yosia Oktavian Pailan, Yulison Herry Chrisnanto, and Asep Id Hadianna. “Segmentasi Loyalitas Pelanggan Berbasis RFM (Recency, Frequency, Monetary) Menggunakan K-Means Pada PD. Persada Ikan”. Prosiding SISFOTEK 4, no. 1 (August 19, 2020): 167 - 171. Accessed September 21, 2021. http://seminar.iaii.or.id/index.php/SISFOTEK/article/view/207.