Wildani Eko Nugroho, et al. “Use of the K-Medoids Algorithm for Food Clustering Using Nutritional Value and Evaluation of the Elbow Method and the Davies Bouldin Index Method”. Ultima InfoSys : Jurnal Ilmu Sistem Informasi, vol. 16, no. 1, June 2025, doi:10.31937/si.v16i1.4226.