Evaluasi Titik Impas Biaya Peledakan Batu Granit Bulan Januari 2017 Melalui Perbaikan Metode Peledakan Pada PT Vitrama Properti Di Desa Air Mesu Kabupaten Bangka Tengah: Evaluation Break Even Point OF Granite Explosion Cost In January 2017 Through Improved Blasting Methods At PT Vitrama Properti In Air Mesu Village District Of Bangka Tengah. MINERAL, [S. l.], v. 2, n. 2, p. 69–77, 2020. DOI: 10.33019/mineral.v2i2.1561. Disponível em: https://journal.ubb.ac.id/index.php/mineral/article/view/1561. Acesso em: 15 apr. 2026.