ANALISIS KEBERHASILAN PRODUKTIVITAS JIG TERTIER PADA PROSES KONSENTRASI BIJIH TIMAH DI KAPAL KERUK BEMBAN PT. KOBA TIN, KOBA, BANGKA TENGAH. PROMINE, [S. l.], v. 2, n. 1, 2018. DOI: 10.33019/promine.v2i1.72. Disponível em: https://journal.ubb.ac.id/index.php/promine/article/view/72. Acesso em: 18 apr. 2026.