?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Rahmadani&rft.au=Rahmadani%2C+Zet&rft.aufirst=Zet&rft.inst=Universitas+Negeri+padang&rft.date=February+2019&rft.degree=Bachelor%2FSkripsi&rft.title=Analisis+Korelasi+Over+Break+terhadap+Yield+Zone+pada+Area+601+Crusher+Complex+Tambang+Bawah+Tanah+Grasberg+Block+Cave+PT.+Freeport+Indonesia