Study on the preparation of activated carbon from coffee husk toward the adsorption of dye in aqueous solution. Vietnam Journal of Catalysis and Adsorption, [S. l.], v. 7, n. 2, p. 61–66, 2018. Disponível em: https://jca.edu.vn/index.php/jca/article/view/639.. Acesso em: 28 feb. 2025.