@misc{ais_repository_642,
  title = {Geografi Fisik},
  author = {Agus Purnomo},
  year = {2019},
  publisher = {Ombak (Anggota IKAPI)  Yogyakarta},
  howpublished = {Repository AIS},
  note = {oai:ais:library-item:2004}
}