?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Mahesa&rft.au=Mahesa%2C+Roges+Tomara&rft.aufirst=Roges+Tomara&rft.inst=Universitas+Negeri+padang&rft.date=November+2021&rft.degree=Diploma%2FTugas+Akhir&rft.title=Evaluasi+Produktivitas+Alat+Gali+Muat+untuk+Mencapai+Target+Produksi+Pengupasan+Overburden+310.000+bcm%2Fbulan+Menggunakan+Metode+Overall+Equipment+Effectiveness+(OEE)+di+Pit+Utara+PT.+Bara+Prima+Pratama%2C+Jobsite+Batu+Ampar%2C+Kabupaten+Indragiri+Hilir%2C+Provinsi+Riau