PROCESSING TECHNOLOGIES FOR RARE EARTH ELEMENTS FROM PERALKALINE IGNEOUS DEPOSITS: A SYSTEMATIC REVIEW. Revista Multidisciplinar do Nordeste Mineiro, [S. l.], v. 21, n. 02, p. 1–44, 2025. DOI: 10.61164/p8v9aq27. Disponível em: https://remunom.ojsbr.com/multidisciplinar/article/view/5111. Acesso em: 11 jan. 2026.