The concentrations of cobalt and nickel elements in aquatic plants exposed to urban wastes in Al-Diwaniyah River / Iraq. Euphrates journal of agricultural science, [S. l.], v. 18, n. 2, 2026. Disponível em: https://ejs-agri.com/index.php/EJAS/article/view/583. Acesso em: 8 nov. 2026.