“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), pp. 50–57. doi:10.33019/mineral.v4i2.1595.