Development of Dry Permanently Induced Roller Maganetic Seperator for The Concentration of Barkin-Ladi Columbite Ore. Borobudur Engineering Review, [S. l.], v. 5, n. 2, p. 16–26, 2025. DOI: 10.31603/benr.v5i2.13627. Disponível em: https://coba.unimma.ac.id/benr/article/view/13627. Acesso em: 30 sep. 2026.