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Yoga Pengestu IG, Husni A, Arisanti R. EVALUASI PRODUKTIVITAS EXCAVATOR KOMATSU PC 850 SE DAN HD KOMATSU 785 PADA PENGUPASAN OVERBURDEN DI PIT PE PT PRIAMANAYA ENERGI: EVALUATION OF THE PRODUCTIVITY OF KOMATSU PC 850 SE AND HD KOMATSU 785 EXCAVATORS ON OVERBURDEN STRIPPING IN PT PRIAMANAYA ENERGI PE PIT. JITRA [Internet]. 2026 Jun. 30 [cited 2026 Aug. 9];1(1):6-13. Available from: https://ejournal.unpra.ac.id/index.php/jitra/article/view/400