“DATA MINING ANALYSIS OF SHELL OIL SALES USING THE C4.5 ALGORITHM AT CV. HARAPAN KARYA MANDIRI”. Jurnal Teknoif Teknik Informatika Institut Teknologi Padang, vol. 13, no. 2, Oct. 2025, pp. 48-56, https://doi.org/10.21063/jtif.2025.V13.2.48-56.