The use of biopolymers to remove some heavy elements from water. Journal of the College of Basic Education, [S. l.], v. 19, n. 79, p. 1–13, 2022. DOI: 10.35950/cbej.v19i79.7146. Disponível em: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/7146.. Acesso em: 18 jul. 2024.