Relationship between pit slope design and coal reserve estimation in Pit X, Muara Enim, South Sumatra ProvinceTaufiq Muhammad Wijayanto, Wahyu Wilopo, I Gede Budi Indrawan and SunarkoE3S Web Conf., 200 (2020) 02021DOI: https://doi.org/10.1051/e3sconf/202020002021