Gultom, R. O., Wau, E., Laia, J. A., Silaban, I. L. and Yennimar, Y. (2021) “Implementation of Clustering Methods to Know Electricity Energy Sold Average Customer Type”, Jurnal Mantik, 5(2), pp. 1119-1126. doi: 10.35335/jurnalmantik.Vol5.2021.1475.pp1119-1126.