?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Mailadiniya&rft.au=Mailadiniya%2C+Sovi&rft.aufirst=Sovi&rft.inst=Universitas+Negeri+padang&rft.date=October+2018&rft.degree=Bachelor%2FSkripsi&rft.title=Kajian+Ekonomi+Penambangan+Batubara+di+PT+Indomining%2C+Sanga-sanga%2C+Kutai+Kartanegara%2C+Kalimantan+Timur+pada+Desain+Penambangan+Tahun+2018-2027