“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”, mineral, vol. 9, no. 1, pp. 1–8, May 2024, doi: 10.33019/mineral.v9i1.4677.