“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 3, no. 2 (October 31, 2018): 31–35. Accessed April 17, 2026. https://www.journal.ubb.ac.id/index.php/mineral/article/view/1585.