Annisa Makarim and Sudaryanto Sudaryanto 2024. Study of the Effect of Electric Current Strength and Magnet Height Distance with Belt Three Disc Magnetic Separator on Middling Reprocessing Results from Processing Minerals at PT Timah Tbk. Proceeding of the International Conferences on Engineering Sciences. 1, 2 (Dec. 2024), 56–63. DOI:https://doi.org/10.61132/iconfes.v1i2.22.