Amin, Al, halman, and Ismail Ramli. “Evaluasi Kinerja Dan Proses Overhaul Final Drive Excavator PC200-8 Di PT United Tractors Cabang Samarinda”. Jurnal Horizon 1, no. 1 (March 3, 2025): 5–8. Accessed July 26, 2026. https://jurnalpnn.com/index.php/horizon/article/view/33.