?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Febriyani&rft.au=Febriyani%2C+Yolla&rft.aufirst=Yolla&rft.inst=Universitas+Negeri+padang&rft.date=December+2016&rft.degree=Bachelor%2FSkripsi&rft.title=Analisis+Produktivitas+Crushing+Plant+dalam+Pencapaian+Target+Produksi+Batu+Andesit+PT+Ansar+Terang+Crushindo