Siregar, S.D., Ginting, Y.U.R., Sintami, N. , Butar-Butar, H.S. and Simanjuntak, R.M. 2023. Implementation of KNN algorithm in classifying diabetic ulcers in patients with diabetes mellitus. Jurnal Mantik. 7, 2 (Aug. 2023), 691-701. DOI:https://doi.org/10.35335/mantik.v7i2.3928.