?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Septian&rft.au=Septian%2C+Rully&rft.aufirst=Rully&rft.inst=Universitas+Negeri+padang&rft.date=February+2018&rft.degree=Bachelor%2FSkripsi&rft.title=Analisis+Kestabilan+Lereng+Jalan+Tambang+di+PT.+Sumbar+Calcium+Pratama%2C+Jorong+Atas+Laban%2C+Nagari+Halaban%2C+Kecamatan+Lareh+Sago+Halaban%2C+Kabupaten+Lima+Puluh+Kota%2C+Provinsi+Sumatera+Barat