dos Santos, Jessé Castro, and Sylviane Beck Ribeiro. “CHEMICAL CHARACTERIZATION AND DETERMINATION OF CONTAMINANT ELEMENTS IN LOW-GRADE CASSITERITE FROM THE BOM FUTURO MINE (RO), WESTERN AMAZON”. Seven Editora, Oct. 2025, pp. 268-85, https://sevenpubl.com.br/editora/article/view/8257.