Saputro, Bimo, Suhardiman Gumanti, dan Rodiyah Nursani. “EVALUASI PRODUKTIVITAS EXCAVATOR CATERPILLAR 395 DAN OFF HIGHWAY TRUCK CATERPILLAR 773E PADA PENGUPASAN OVERBURDEN DI PT DIZAMATRA POWERINDO LAHAT SUMATERA SELATAN”. Jurnal Mitra 4, no. 2 (Agustus 21, 2025): 30–35. Diakses September 13, 2025. https://jurnal.mitrasmart.co.id/index.php/jm/article/view/161.