Paulino, J. F. (2015) “Recovery of Tungsten by liquid-liquid extraction from a Wolframite concentrate after fusion with sodium hydroxide”, Instituto de Engenharia Nuclear: Progress Report, (1), p. 92. Disponível em: https://revistas.ien.gov.br/index.php/ienprogressreport/article/view/46 (Acessado: 10 maio 2024).