?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Saputra&rft.au=Saputra%2C+Rianda&rft.aufirst=Rianda&rft.inst=Universitas+Negeri+padang&rft.date=February+2017&rft.degree=Bachelor%2FSkripsi&rft.title=Analisis+Sistem+Mine+Dewatering+Pada+Lubang+F%2C+G%2C+H+Tambang+Batubara+Bawah+Tanah+PT.+Nusa+Alam+Lestari+Desa+Salak%2C+Sapan+Dalam%2C+Kota+Sawahlunto%2C+Sumatera+Barat