“Pengaruh Laju Aliran Dan Ukuran Umpan Sisa Hasil Pengolahan Dengan Humprey Spiral Pada Skala Laboratorium Kabupaten Bangka: Influence Of Flow Rate And Residual Feed Size Results Of Processing With Humprey Spiral At The Laboratory Scale Bangka District” (2022) MINERAL, 7(2), pp. 37–43. doi:10.33019/mineral.v7i2.3512.