CLUSTERING ANALYSIS FOR GROUPING SUB-DISTRICTS IN BOJONEGORO DISTRICT WITH THE K-MEANS METHOD WITH A VARIETY OF APPROACHES - Nurdiansyah, Denny; Ma’ady, Mochamad; Sukmawaty, Yuana; Utomo, Muchammad; Mutiani, Tia (BAREKENG: Jurnal Ilmu Matematika dan Terapan, 2024)