Paulino, J. F., J. C. Afonso, J. L. Mantovano, C. A. Vianna, e J. W. S. D Cunha. “Recovery of Tungsten from Wolframite from the Mine of Igarapé Manteiga (Rondonia – Brazil) via Acidic Leaching”. Instituto de Engenharia Nuclear: Progress Report, no. 1 (julho 1, 2015): 92. Acessado maio 10, 2024. https://revistas.ien.gov.br/index.php/ienprogressreport/article/view/47.