Analisis Penggunaan Powder Factor Terhadap Fragmentasi pada Lubang Ledak Vertikal dan Inclined di PT Aditya Buana Inter: (Analysis of Powder Factor Using On Fragmentation In Vertical And Inclined Blast Hole at PT Aditya Buana Inter). mineral [Internet]. 2019 Oct. 31 [cited 2026 May 13];4(2):65-71. Available from: https://journal.ubb.ac.id/index.php/mineral/article/view/1597