ANALISIS ALGORITMA DECISION TREE DALAM PENGKLASIFIKASIAN INDEKS PENCEMARAN UDARA KOTA JAKARTA DENGAN METODE CROSS INDUSTRY STANDARD PROCESS FOR DATA MINING. Fraction: Jurnal Teori dan Terapan Matematika, [S. l.], v. 5, n. 1, p. 9–17, 2025. DOI: 10.33019/fraction.v5i1.87. Disponível em: https://fraction.ubb.ac.id/index.php/fraction/article/view/87. Acesso em: 8 jan. 2026.