“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, vol. 4, no. 2, pp. 65–71, Oct. 2019, doi: 10.33019/mineral.v4i2.1597.