SANTOS, G.; VERA, Y. M. Study on extraction of light rare earth from liquid - liquid extraction using organophosphoric acids extractants and ascorbic acid. Revista de Metalurgia, [S. l.], v. 55, n. 2, p. e142, 2019. DOI: 10.3989/revmetalm.142. Disponível em: https://revistademetalurgia.revistas.csic.es/index.php/revistademetalurgia/article/view/1458. Acesso em: 29 apr. 2024.