THONGKAM, T.; HEMAVIBOOL, K.; KLAMTET, J.; OUYPORNKOCHAGORN, S. Potential Adsorption of Leonardite for Heavy Metal Ions Removal from Aqueous Solution. Science Essence Journal, [S. l.], v. 36, n. 1, p. 177–188, 2020. Disponível em: https://ejournals.swu.ac.th/index.php/sej/article/view/11524. Acesso em: 7 oct. 2024.