Affandi, E., Syahrin Syam Noor Berutu, Yohanni Syahra, and A. Amrullah. “Data Mining in Grouping Indihome Customer Data Using the K–Means Clustering Method at PT.Telkom Akses ”. Jurnal Mantik, vol. 4, no. 4, Feb. 2021, pp. 2604-12, doi:10.35335/mantik.Vol4.2021.1220.pp2604-2612.