“Analisis Penilaian Pelayanan Puskesmas Terhadap Pemberian Vaksin COVID-19 Dengan Metode K-Means Clustering”. Jurnal Ilmiah Matrik, vol. 26, no. 2, Sept. 2024, pp. 128-37, https://doi.org/10.33557/jurnalmatrik.v26i2.3218.