?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Hidayattullaha&rft.au=Hidayattullaha%2C+Syarif&rft.aufirst=Syarif&rft.inst=Universitas+Negeri+padang&rft.date=May+2019&rft.degree=Bachelor%2FSkripsi&rft.title=Rancangan+Geometri+Peledakan+untuk+Mencapai+Target+Fragmentasi+Ideal+Berdasarkan+Nilai+Blastibility+Index+pada+Tamka+PT.+Allied+Indo+Coal+Jaya+Kota+Sawahlunto