SARMIDI SARMIDI; YULIUS MASES; AGE PALOGAN KESUMA. Analisis Efisiensi Jam Kerja Excavator CAT 345 GC di Area Penambangan Pit E Banko Barat PT. Rifansi Dwi Putra. Jurnal Ilmiah Teknik dan Sains, [S. l.], v. 1, n. 1, p. 11–18, 2023. DOI: 10.62278/jits.v1i1.3. Disponível em: https://jurnal.akipba.ac.id/index.php/JITS/article/view/3. Acesso em: 21 oct. 2026.