R. Muliono and Z. Sembiring, “DATA MINING CLUSTERING MENGGUNAKAN ALGORITMA K-MEANS UNTUK KLASTERISASI TINGKAT TRIDARMA PENGAJARAN DOSEN,” CESS (Journal of Computer Engineering System and Science), vol. 4, no. 2, pp. 272–279, Jul. 2019, doi: 10.24114/cess.v4i2.13620.