SANTHI, D. Removal of Fluoride by Using Coconut Shell Charcoal and Paddy Husk Charcoal. Asian Journal of Chemistry, [S. l.], v. 18, n. 1, p. 707–709, 2010. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/21433. Acesso em: 26 aug. 2024.