Hikmawati; Magdalena, H.; Nugroho, W.; Hasan, H.; Respati, L. L. Studi Perhitungan Biaya Pada Kegiatan Pengupasan Overburden Pada PIT 5 PT. Indochin Resources Jobsite PT. Energi Cahaya Industritama: Cost Calculation Study On Overburden Removal Activities At Pit 5 Pt. Indochin Resources Jobsite Pt. Industritama Light Energy. jomet 2023, 2, 93-100.