Evaluasi Kualitas Batubara dari Front Penambangan Hingga Stockpile di Pit 1 Banko Barat PT Bukit Asam Tbk Tanjung Enim: Evaluation of Coal Quality from Mining Front to Stockpile at Pit 1 Banko Barat PT Bukit Asam Tbk Tanjung Enim. mineral [Internet]. 2019 Apr. 30 [cited 2026 Apr. 17];4(1):1-7. Available from: https://journal.ubb.ac.id/index.php/mineral/article/view/1586