2022. 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. MINERAL. 7, 2 (Nov. 2022), 37–43. DOI:https://doi.org/10.33019/mineral.v7i2.3512.