Selective dissolution of vanadium(V) from spent petroleum catalysts by oxalic acid solution and its kinetic study. Journal of Mining and Metallurgy, Section B: Metallurgy, [S. l.], v. 56, n. 1, p. 127–133, 2020. Disponível em: https://test.aseestant.ceon.rs/index.php/jmm/article/view/22148. Acesso em: 11 jun. 2026.