?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Permana&rft.au=Permana%2C+Ahmad+Ridho&rft.aufirst=Ahmad+Ridho&rft.inst=Universitas+Negeri+Padang&rft.date=February+2019&rft.degree=Bachelor%2FTugas+Akhir&rft.title=Kajian+Pengurangan+Getaran+Tanah+(Ground+Vibration)+pada+Peledakan+Overburden+Tambang+Batubara+di+PT.+Artamulia+Tatapratama+Site+Tanjung+Belit%2C+Provinsi+Jambi