@misc{ais_repository_1704,
  title = {Estimasi Sumberdaya Batubara dengan Metode Penampang (Cross Section) dan Circular di PT. Multi Service Mining Site Samantaka Batubara  Provinsi Riau},
  author = {None},
  year = {2021},
  publisher = {TEKNIK PERTAMBANGAN},
  howpublished = {Repository AIS},
  note = {oai:ais:library-item:2999}
}