?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Akhbar&rft.au=Akhbar%2C+Muhammad+Hanafi&rft.aufirst=Muhammad+Hanafi&rft.inst=Universitas+Negeri+padang&rft.date=May+2021&rft.degree=Bachelor%2FSkripsi&rft.title=Pengaruh+Geometri+Peledakan+terhadap+Fragmentasi+Batu+Gamping+di+CV.+Tekad+Jaya%2C+Desa+Lareh+Sago+Halaban%2C+Kabupaten+Lima+Puluh+Kota%2C+Sumatera+Barat