The major impact of coal mining service activities to GHG emissions: Case study at PT Bukit Makmur Mandiri Utama (BUMA) jobsite Binsua and LatiDiah Prabandani, Alifia Herlyana and Ajeng Puspitaning PramayuE3S Web of Conf., 485 (2024) 06007DOI: https://doi.org/10.1051/e3sconf/202448506007