Riski Ramadhansyah, Akim Manaor Hara Pardede, and Anton Sihombing. “Application of the K-Means Method for Clustering Land and Building Tax Payments Based on Tax Types (Case Study: BPKPAD Binjai City)”. International Journal of Health Engineering and Technology (IJHET), vol. 1, no. 3, Sept. 2022, doi:10.55227/ijhet.v1i3.56.