?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Hanim.+D&rft.au=Hanim.+D%2C+Annisa&rft.aufirst=Annisa&rft.title=Analisis+Kestabilan+Lubang+Bukaan+Decline+Channel+(CH)+677+Blok+Cikoneng+PT.+Cibaliung+Sumberdaya&rft.degree=Bachelor%2FSkripsi&rft.inst=Universitas+Negeri+Padang&rft.date=June+2019