“Optimalisasi Waktu Hambatan Excavator Untuk Mencapai Target Produksi Batubara Pit C CV Kutai Kumala Energy: Optimization Losstime of Excavator to Achieve Coal Production Target at Pit C CV Kutai Kumala Energy”. 2024. MINERAL 9 (1): 1-8. https://doi.org/10.33019/mineral.v9i1.4677.