Analisis Life Time Undercarriage Excavator Komatsu Studi Kasus : Di PT. BIMA. JTM [Internet]. 30 Juni 2025 [dikutip 26 September 2026];1(1):21-7. Tersedia pada: https://jtm.jurnal.politap.ac.id/index.php/jtm/article/view/1928