Analisa Hasil Pencucian Bijih Timah Pada Harz Jig Dalam Menurunkan Kadar Timah (Sn) Pada Tailing di PT Timah (Persero) Tbk. Unit Kundur, Kepulauan Riau: The Analysis of Tin Ore Leaching Products of Harz Jig In Reducing Tin Tailing Levels In Kundur Unit of Riau Archipelago. PROMINE, [S. l.], v. 4, n. 2, 2018. DOI: 10.33019/promine.v4i2.110. Disponível em: https://www.journal.ubb.ac.id/index.php/promine/article/view/110. Acesso em: 13 apr. 2026.