Aprilianta IPED. Kajian Teknis Kinerja Alat Bor Atlas Copco Dm50e pada Pengupasan Tanah Penutup di Pit L0-2 Pt. Leighton Contractors Indonesia MSJ Coal Mine Project Kalimantan Timur. Prosiding Seminar Nasional ReTII [Internet]. 2018Mar.20 [cited 2024Nov.23];. Available from: //journal.itny.ac.id/index.php/ReTII/article/view/689