Recovery of aluminum varying the age of the potabilization sludge and its reuse in the water treatment in casanare. Revista Cientifica Ingenio Magno, [S. l.], v. 10, n. 2, p. 93–100, 2020. Disponível em: https://revistas.santototunja.edu.co/index.php/ingeniomagno/article/view/1902. Acesso em: 3 sep. 2026.