?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=A%E2%80%99YUNI&rft.au=A%E2%80%99YUNI%2C+NUR+ANNISA&rft.aufirst=NUR+ANNISA&rft.date=12+January+2024&rft.degree=Other&rft.title=Analisis+kualitas+batubara+PT.+Petro+Naga+Jaya+Gemilang%2C+Kecamatan+Anggana%2C+Kabupaten+Kutai+Kartanegara%2C+Provinsi+Kalimatan+Timur&rft.inst=Institut+Teknologi+Nasional+Yogyakarta