Sorghum Waste as an Efficient Adsorbent for the Removal of Zn2+and Cu2+ from Aqueous Medium. Communication In Physical Sciences, [S. l.], v. 5, n. 2, p. 51–61, 2020. Disponível em: https://journalcps.com/index.php/volumes/article/view/325. Acesso em: 10 jun. 2026.