Pengaruh Riffles dan Kemiringan Underflow Sluice Box Terhadap Optimalisasi Pemisahan Bijih Timah Skala Laboratorium: Effects of Riffles and Underflow Sluice Box Slope on Optimization of Tin Ore Separation Laboratory Scale. (2019). MINERAL, 4(2), 50-57. https://doi.org/10.33019/mineral.v4i2.1595