@unpublished{ITNYREPOID3031,
            year = {2021},
          author = {YOVIE ADHITYA PRIAMBADA 410015047},
           month = {February},
           title = {Coal quality control in pit (ctm) Kabupaten Murung Raya
Kalimantan Tengah},
          school = {Institut Teknologi Nasional Yogyakarta},
         address = {itny},
             url = {https://repository.itny.ac.id/id/eprint/3031/}
}