Putra Haryanto, Albertus Eka, and Maria Ulfa Yanuar. “K-Means Clustering Method for District City Grouping in Effort to Control Inflation Rates in Java and Sumatera”. Government and Statistics, vol. 1, no. 1, Dec. 2022, pp. 29-42, doi:10.21787/govstat.1.2022.29-42.