STUDY OF COST-EFFECTIVE NATURAL ADSORBENTS FOR THE REMOVAL OF FLUORIDE. International Journal of Food and Nutritional Sciences, [S. l.], v. 11, n. 3, p. 1253–1267, 2022. Disponível em: https://www.ijfans.org/index.php/Journal/article/view/5352. Acesso em: 9 aug. 2026.