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 [Internet]. 2024 May 22 [cited 2025 Nov. 8];9(1):1-8. Available from: https://journal.ubb.ac.id/index.php/mineral/article/view/4677