Study on the adsorption of MnO4- ions onto GO/PVA/Fe3O4 composite. Vietnam Journal of Catalysis and Adsorption, [S. l.], v. 10, n. 2, p. 104–108, 2021. DOI: 10.51316/jca.2021.037. Disponível em: https://jca.edu.vn/index.php/jca/article/view/2021.037.. Acesso em: 27 jun. 2026.