“Pengaruh Fragmentasi Hasil Peledakan Batugranit Terhadap Produktivitas Hopper Crusher Di PT Bumi Warna Agung Perkasa Desa Air Mesu Kabupaten Bangka Tengah: Fragmentation Of Influence The Result Blasted Granit Rock To Hopper Crusher Productivities In PT Bimiwarna Agung Perkasa Air Mesu Village Bangka Tengah Regence”. MINERAL, vol. 3, no. 2, Oct. 2018, pp. 31-35, https://doi.org/10.33019/mineral.v3i2.1585.