OPTIMIZATION OF ADSORPTION OF CONGO RED DYE FROM AQUEOUS SOLUTION WITH ACTIVATED CARBON FROM CASTOR SEED SHELL USING CENTRAL COMPOSITE DESIGN. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 7, n. 1, p. 271–279, 2023. DOI: 10.33003/fjs-2023-0701-1308. Disponível em: http://162.254.38.185/index.php/fjs/article/view/1308. Acesso em: 17 sep. 2025.