IRMEILYANA, I.; NGUDIANTORO, N.; MAIYANTI, S. APPLICATION OF TWO GROUPS ANALYSIS AND CLUSTER ANALYSIS ON COMPARISON OF CHARACTERISTICS OF PAGARALAM COFFEE FARMERS CATEGORIES. BAREKENG: Jurnal Ilmu Matematika dan Terapan, v. 17, n. 1, p. 0101-0112, 15 abr. 2023.